CN109459835A - Imaging lens - Google Patents

Abstract

An imaging lens includes a first lens, a second lens, a third lens and a fourth lens. The first lens has positive refractive power. The second lens has negative refractive power. The third lens has refractive power. The fourth lens has refractive power. The first lens, the second lens, the third lens and the fourth lens are arranged in sequence from the object side to the image side along the optical axis. The imaging lens meets the following conditions: 0.1<D ₄ /TTL<0.6; where TTL is the distance on the optical axis from the object side of the first lens to the imaging surface, and D ₄ is the optical effective diameter of the fourth lens.

Description

Imaging lens

Technical field

The present invention is about a kind of imaging lens.

Background technique

The development trend of imaging lens now, in addition to constantly towards miniaturization other than, with different application demands, Also need have high-resolution ability, it is known that imaging lens can no longer meet demand now, need another new frame The imaging lens of structure could meet miniaturization and high-resolution demand simultaneously.

Summary of the invention

The technical problem to be solved in the present invention is that miniaturization can not be met simultaneously for imaging lens in the prior art With high-resolution defect, a kind of imaging lens are provided, camera lens total length is short and small, resolution ratio is higher, but still has good Optical property.

The present invention is to solve its technical problem the technical scheme adopted is that providing a kind of imaging lens includes first thoroughly Mirror, the second lens, the third lens and the 4th lens.First lens have positive refractive power.Second lens have negative refractive power.Third Lens have refractive power.4th lens have refractive power.First lens, the second lens, the third lens and the 4th lens are along light Axis sequential from object side to image side.Imaging lens meet the following conditions: 0.1 < D₄/ TTL < 0.6；Wherein, TTL is first saturating The object side of mirror is to imaging surface in the spacing on optical axis, D₄For the optics effective diameter of the 4th lens.

Imaging lens of the invention can further include non-circular aperture, and non-circular aperture includes peripheral part and inner peripheral portion, inner circumferential Portion and peripheral part at least one be it is non-circular, inner peripheral portion forms hole around optical axis, between the maximum hole that inner peripheral portion passes through optical axis Away from for Dx, the minimum hole spacing that inner peripheral portion passes through optical axis is Dy, and non-circular aperture meets the following conditions: 1 < Dx/Dy < 28.

Wherein the first lens include convex surface towards object side and concave surface towards image side, and the second lens include concave surface towards image side, The third lens have positive refractive power, this third lens includes convex surface towards object side, and the 4th lens have positive refractive power, this is the 4th thoroughly Mirror includes convex surface towards image side.

Wherein the second lens can further include convex surface towards object side, and the third lens can further include concave surface towards image side.

Wherein imaging lens meet the following conditions: 0.07 < TC₁₂/ f < 1；Wherein, TC₁₂For the first lens image side surface extremely In the spacing on optical axis, f is the effective focal length of imaging lens for the object side of second lens.

Imaging lens of the invention can further include the 5th lens be set between the first lens and the second lens and the 6th thoroughly Mirror is set between the 4th lens and image side, wherein the second lens can further include concave surface towards object side, the third lens can be further included Towards image side, the 4th lens can further include convex surface towards object side on convex surface, and the 5th lens are that biconcave lens has a negative refractive power, and the 6th Lens are that biconcave lens has negative refractive power.

Wherein imaging lens meet the following conditions: 0.16 < TC₁₅/ f < 0.23；Wherein, TC₁₅For the image side of the first lens In the spacing on optical axis, f is the effective focal length of imaging lens for face to the object side of the 5th lens.

Wherein imaging lens meet the following conditions: 0.85 < TTL/f < 1；Wherein, f is the effective focal length of imaging lens.

Wherein imaging lens meet the following conditions: f₂₃₄<0；Wherein, f₂₃₄For the second lens, the third lens and the 4th lens Combined effective focal length.

Wherein imaging lens meet the following conditions: 0.25 < BFL/f < 0.4；Wherein, BFL is the lens near image side Image side surface to imaging surface in the spacing on optical axis, f is the effective focal length of imaging lens.

Wherein imaging lens meet the following conditions: 0.0006≤TC₂₃/TTL≤0.005；Wherein, TC₂₃For the second lens Image side surface to the object side of the third lens in the spacing on optical axis.

Wherein imaging lens meet the following conditions: 70 < (TC₁₂+TC₃₄)/TC₂₃< 600；TC₃₄< TTL/5；Wherein, TC₁₂ For the first lens image side surface to the object side of the second lens in the spacing on optical axis, TC₂₃For the second lens image side surface to The object side of three lens is in the spacing on optical axis, TC₃₄For the third lens image side surface to the object side of the 4th lens on optical axis Spacing.

Wherein the first lens have positive refractive power, and the second lens have negative refractive power, and the 4th lens have negative refractive power.

Wherein imaging lens meet the following conditions: 0.2 < f₂₃₄/ f < 2；Wherein, f₂₃₄For the second lens, the third lens and The combined effective focal length of 4th lens, f are the effective focal length of imaging lens.

Imaging lens of the invention can further include the 5th lens and be set between the third lens and the 4th lens, the 5th lens With positive refractive power, wherein imaging lens meet the following conditions: f₂₃₅₄<0；Wherein, f₂₃₅₄For the second lens, the third lens, the 5th The combined effective focal length of lens and the 4th lens.

Wherein imaging lens meet the following conditions: 1 < f/TTL < 1.5；TC₂₃< TTL/5；0.07 < (TC₁₂+TC₂₃)/ TTL < 0.25；Wherein, f is the effective focal length of imaging lens, TC₁₂For the first lens image side surface to the object side of the second lens In the air spacing on optical axis, TC₂₃For the second lens image side surface to the object side of the third lens in the air spacing on optical axis.

Wherein imaging lens meet the following conditions: R₄₁/R₁₁< 0；Wherein, R₁₁For the curvature half of the object side of the first lens Diameter, R₄₁For the radius of curvature of the object side of the 4th lens.

Wherein imaging lens meet the following conditions: (f₁+f₃)/f₂< 0；Wherein, f₁For the effective focal length of the first lens, f₂For The effective focal length of second lens, f₃For the effective focal length of the third lens.

Imaging lens of the invention can further include aperture and be set between object side and the second lens, and wherein imaging lens meet The following conditions: 0.6 < SL/TTL < 1.1；Wherein, SL be aperture to imaging surface in the spacing on optical axis.

Implement imaging lens of the invention, has the advantages that its camera lens total length is short and small, resolution ratio is higher, but It is that still there is good optical property.

Detailed description of the invention

Fig. 1 is the lens configuration schematic diagram of the first embodiment of imaging lens according to the present invention.

Fig. 2A, 2B, 2C, 2D, 2E are the longitudinal aberration of the first embodiment of imaging lens according to the present invention respectively (Longitudinal Aberration) figure, the curvature of field (Field Curvature) figure, distortion (Distortion) figure, lateral chromatism Poor (Lateral Color) figure, modulation transfer function (Modulation Transfer Function) figure.

Fig. 3 is the lens configuration schematic diagram of the second embodiment of imaging lens according to the present invention.

Fig. 4 A, 4B, 4C, 4D, 4E are the longitudinal aberration diagram of the second embodiment of imaging lens according to the present invention, field respectively Diagram, distortion figure, lateral chromatic aberration figure, modulation transfer function figure.

Fig. 5 is the lens configuration schematic diagram of the 3rd embodiment of imaging lens according to the present invention.

Fig. 6 A, 6B, 6C, 6D, 6E are the longitudinal aberration diagram of the 3rd embodiment of imaging lens according to the present invention, field respectively Diagram, distortion figure, lateral chromatic aberration figure, modulation transfer function figure.

Fig. 7 is the lens configuration schematic diagram of the fourth embodiment of imaging lens according to the present invention.

Fig. 8 A, 8B, 8C, 8D are the longitudinal aberration diagram of the fourth embodiment of imaging lens according to the present invention, the curvature of field respectively Figure, distortion figure, modulation transfer function figure.

Fig. 9 is the lens configuration schematic diagram of the 5th embodiment of imaging lens according to the present invention.

Figure 10 A, 10B, 10C, 10D be respectively the 5th embodiment of imaging lens according to the present invention longitudinal aberration diagram, Curvature of field figure, distortion figure, modulation transfer function figure.

Figure 11 is the lens configuration schematic diagram of the sixth embodiment of imaging lens according to the present invention.

Figure 12 A, 12B, 12C, 12D be respectively the sixth embodiment of imaging lens according to the present invention longitudinal aberration diagram, Curvature of field figure, distortion figure, modulation transfer function figure.

Figure 13 is the lens configuration schematic diagram of the 7th embodiment of imaging lens according to the present invention.

Figure 14 A, 14B, 14C are curvature of field figure, distortion figure, the tune of the 7th embodiment of imaging lens according to the present invention respectively Become transfer function figure.

Figure 15 is the lens configuration schematic diagram of the 9th embodiment of imaging lens according to the present invention.

Figure 16 A, 16B, 16C are curvature of field figure, distortion figure, the tune of the 9th embodiment of imaging lens according to the present invention respectively Become transfer function figure.

Figure 17 is the lens configuration schematic diagram of the tenth embodiment of imaging lens according to the present invention.

Figure 18 A, 18B, 18C are curvature of field figure, distortion figure, the tune of the tenth embodiment of imaging lens according to the present invention respectively Become transfer function figure.

Figure 19 is the lens configuration schematic diagram of the 11st embodiment of imaging lens according to the present invention.

Figure 20 A, 20B, 20C be respectively the curvature of field figure of the 11st embodiment of imaging lens according to the present invention, distortion figure, Modulation transfer function figure.

Figure 21 is the lens configuration schematic diagram of the 12nd embodiment of imaging lens according to the present invention.

Figure 22 A, 22B, 22C be respectively the curvature of field figure of the 12nd embodiment of imaging lens according to the present invention, distortion figure, Modulation transfer function figure.

Figure 23 is the schematic diagram of non-circular aperture according to the present invention.

Figure 24 is the schematic diagram of non-circular aperture according to the present invention.

Specific embodiment

Referring to Fig. 1, Fig. 1 is the lens configuration schematic diagram of the first embodiment of imaging lens according to the present invention.Imaging Camera lens 1 sequentially includes aperture ST1, the first lens L11, the second lens L12, the third lens from object side to image side along optical axis OA1 L13, the 4th lens L14 and optical filter OF1.When imaging, the light from object side is finally imaged on imaging surface IMA1.

First lens L11 is that meniscus lens have positive refractive power, and object side S12 is convex surface, and image side surface S13 is recessed Face, object side S12 and image side surface S13 are all non-spherical surface.

Second lens L12 is that meniscus lens have negative refractive power, and object side S14 is convex surface, and image side surface S15 is recessed Face, object side S14 and image side surface S15 are all non-spherical surface.

The third lens L13 is that meniscus lens have positive refractive power, and object side S16 is convex surface, and image side surface S17 is recessed Face, object side S16 and image side surface S17 are all non-spherical surface.

4th lens L14 is that meniscus lens have positive refractive power, and object side S18 is concave surface, and image side surface S19 is convex Face, object side S18 and image side surface S19 are all non-spherical surface.

Its object side S110 of optical filter OF1 and image side surface S111 is all plane.

In addition, the imaging lens 1 in first embodiment at least meet a beneath wherein condition:

0.85 < TTL1/f1 < 1 (1)

0.1 < D1₄/ TTL1 < 0.6 (2)

0.2 < f1₂₃₄/ f1 < 2 (3)

0.07 < TC1₁₂/ f1 < 1 (4)

0.25 < BFL1/f1 < 0.4 (5)

0.0006≤TC1₂₃/TTL1≤0.005 (6)

70 < (TC1₁₂+TC1₃₄)/TC1₂₃< 600 (7)

Wherein, the object side S12 to imaging surface IMA1 that TTL1 is the first lens L11 in the spacing on optical axis OA1, f1 be at As the effective focal length of camera lens 1, D1₄For the optics effective diameter of the 4th lens L14, f1₂₃₄For the second lens L12, the third lens The combined effective focal length of L13 and the 4th lens L14, TC1₁₂For image side surface S13 to the second lens L12 of the first lens L11 Object side S14 is in the spacing on optical axis OA1, TC1₂₃For the object side of the image side surface S15 to the third lens L13 of the second lens L12 S16 is in the spacing on optical axis OA1, TC1₃₄For the third lens L13 image side surface S17 to the 4th lens L14 object side S18 in light Spacing on axis OA1, BFL1 are the image side surface S19 to imaging surface IMA1 of the lens near image side in the spacing on optical axis OA1.

Using said lens, aperture ST1 and at least meet the design of condition (1) to condition (7) wherein condition, so that at As camera lens 1 can effectively shorten camera lens total length, amendment aberration, promotion resolution ratio.

Table one is the relevant parameter table of each lens of imaging lens 1 in Fig. 1, and one data of table show, first embodiment at As the effective focal length of camera lens 1 is equal to 15.0mm, f-number is equal to 2.7, camera lens total length and is equal to 13.035mm.

Table one

The non-spherical surface recess degree z of each lens is as obtained by following equation in table one:

Z=ch²/{1+[1-(k+1)c²h²]^1/2}+Ah⁴+Bh⁶+Ch⁸+Dh¹⁰+Eh¹²+Fh¹⁴+Gh¹⁶

Wherein: c: curvature；H: the vertical range of lens surface any point to optical axis；K: circular cone coefficient；A~G: aspherical system Number.

Table two is the relevant parameter table of the non-spherical surface of each lens in table one, and wherein k is circular cone coefficient (Conic Constant), A~G is asphericity coefficient.

Table two

Table three is that condition (1) each parameter value and condition (1), can by table three to the calculated value of condition (7) into condition (7) Know, the imaging lens 1 of first embodiment are all able to satisfy the requirement of condition (1) to condition (7).

Table three

f1	15.0mm	TTL1	13.035mm	D14	5.4mm
						f1234	29.3mm	TC112	1.086mm	TC123	0.03mm
TC134	2.418mm	BFL1	3.942mm
						TTL1/f1	0.869	D14/TTL1	0.414	f1234/f1	1.953
TC112/f1	0.072	BFL1/f1	0.263	TC123/TTL1	0.00230
						(TC112+TC134)/TC123	116.8

In addition, the optical property of the imaging lens 1 of first embodiment also can reach requirement, this can see E from Fig. 2A to Fig. 2 Out.Fig. 2A, 2B, 2C, 2D, 2E be respectively the longitudinal aberration diagram of the first embodiment of imaging lens according to the present invention, curvature of field figure, Distortion figure, lateral chromatic aberration figure, modulation transfer function figure.

Can be seen that by Fig. 2A, the imaging lens 1 of first embodiment are 0.470 μm to wavelength, 0.510 μm, 0.555 μm, 0.610 μm, longitudinal aberration value caused by 0.650 μm of light between -0.005mm between 0.025mm.

Can be seen that by Fig. 2 B, the imaging lens 1 of first embodiment are 0.470 μm to wavelength, 0.510 μm, 0.555 μm, The curvature of field in 0.610 μm, 0.650 μm of light, the direction (Tangential) Yu Ziwu and the direction the sagitta of arc (Sagittal) is between -8 μ Between m to 32 μm.

It can be seen that first implements by Fig. 2 C (5 lines in figure are almost overlapped, so that seeming almost there was only a line) The imaging lens 1 of example are 0.470 μm to wavelength, 0.510 μm, 0.555 μm, 0.610 μm, it is abnormal caused by 0.650 μm of light Become between 0% to 4.1%.

Can be seen that by Fig. 2 D, the imaging lens 1 of first embodiment are 0.470 μm to wavelength, 0.510 μm, 0.555 μm, 0.610 μm, 0.650 μm of light are equal to 2.9335mm in maximum field of view's height, and generated lateral chromatism difference is between -0.6 μm To between 0.6 μm.

It can be seen that by Fig. 2 E, the imaging lens 1 of first embodiment are to wave-length coverage between 0.4700 μm to 0.6500 μm Light, respectively at the meridian direction (Tangential) and the direction the sagitta of arc (Sagittal), field height be respectively 0.0000mm, 1.1734mm, 2.3468mm, 2.9335mm, spatial frequency between 0lp/mm to 200lp/mm, modulation transfer function value between Between 0.42 to 1.0.

The longitudinal aberration of the imaging lens 1 of obvious first embodiment, the curvature of field, distortion, lateral chromatic aberration can be corrected effectively, Resolution of lens is also able to satisfy requirement, to obtain preferable optical property.

Referring to Fig. 3, Fig. 3 is the lens configuration schematic diagram of the second embodiment of imaging lens according to the present invention.Imaging Camera lens 2 sequentially includes the first lens L21, aperture ST2, the second lens L22, the third lens from object side to image side along optical axis OA2 L23, the 4th lens L24 and optical filter OF2.When imaging, the light from object side is finally imaged on imaging surface IMA2.

First lens L21 is that meniscus lens have positive refractive power, and object side S21 is convex surface, and image side surface S22 is recessed Face, object side S21 and image side surface S22 are all non-spherical surface.

Second lens L22 is that meniscus lens have negative refractive power, and object side S24 is convex surface, and image side surface S25 is recessed Face, object side S24 and image side surface S25 are all non-spherical surface.

The third lens L23 is that meniscus lens have positive refractive power, and object side S26 is convex surface, and image side surface S27 is recessed Face, object side S26 and image side surface S27 are all non-spherical surface.

4th lens L24 is that meniscus lens have positive refractive power, and object side S28 is concave surface, and image side surface S29 is convex Face, object side S28 and image side surface S29 are all non-spherical surface.

Its object side S210 of optical filter OF2 and image side surface S211 is all plane.

In addition, the imaging lens 2 in second embodiment at least meet a beneath wherein condition:

0.85 < TTL2/f2 < 1 (8)

0.1 < D2₄/ TTL2 < 0.6 (9)

0.2 < f2₂₃₄/ f2 < 2 (10)

0.07 < TC2₁₂/ f2 < 1 (11)

0.25 < BFL2/f2 < 0.4 (12)

0.0006≤TC2₂₃/TTL2≤0.005 (13)

70 < (TC2₁₂+TC2₃₄)/TC2₂₃< 600 (14)

Above-mentioned TTL2, f2, D2₄、f2₂₃₄、TC2₁₂、TC2₂₃、TC2₃₄And TTL1 in the definition and first embodiment of BFL2, f1、D1₄、f1₂₃₄、TC1₁₂、TC1₂₃、TC1₃₄And the definition of BFL1 is identical, all will not be repeated here herein.

Using said lens, aperture ST2 and at least meet the design of condition (8) to condition (14) wherein condition, so that Imaging lens 2 can effectively shorten camera lens total length, amendment aberration, promote resolution ratio.

Table four is the relevant parameter table of each lens of imaging lens 2 in Fig. 3, and four data of table show, second embodiment at As the effective focal length of camera lens 2 is equal to 15.0mm, f-number is equal to 2.7, camera lens total length and is equal to 14.0mm.

Table four

Each lens in table one in the definition and first embodiment of the non-spherical surface recess degree z of each lens in table four The definition of non-spherical surface recess degree z is identical, all will not be repeated here herein.

Table five is the relevant parameter table of the non-spherical surface of each lens in table four, and wherein k is circular cone coefficient (Conic Constant), A~G is asphericity coefficient.

Table five

Table six is that condition (8) each parameter value and condition (8), can by table six to the calculated value of condition (14) into condition (14) Know, the imaging lens 2 of second embodiment are all able to satisfy the requirement of condition (8) to condition (14).

Table six

f2	15.0mm	TTL2	14.0mm	D24	5.04mm
						f2234	22.94mm	TC212	1.229mm	TC223	0.03mm
TC234	2.14mm	BFL2	4.183mm
						TTL2/f2	0.933	D24/TTL2	0.36	f2234/f2	1.529
TC212/f2	0.082	BFL2/f2	0.279	TC223/TTL2	0.00214
						(TC212+TC234)/TC223	112.3

In addition, the optical property of the imaging lens 2 of second embodiment also can reach requirement, this can be from Fig. 4 A to Fig. 4 E Out.Fig. 4 A, 4B, 4C, 4D, 4E be respectively the longitudinal aberration diagram of the second embodiment of imaging lens according to the present invention, curvature of field figure, Distortion figure, lateral chromatic aberration figure, modulation transfer function figure.

Can be seen that by Fig. 4 A, the imaging lens 2 of second embodiment are 0.470 μm to wavelength, 0.510 μm, 0.555 μm, 0.610 μm, longitudinal aberration value caused by 0.650 μm of light between -0.005 ㎜ between 0.035 ㎜.

Can be seen that by Fig. 4 B, the imaging lens 2 of second embodiment are 0.470 μm to wavelength, 0.510 μm, 0.555 μm, The curvature of field in 0.610 μm, 0.650 μm of light, the direction (Tangential) Yu Ziwu and the direction the sagitta of arc (Sagittal) is between -8 μ Between m to 40 μm.

It can be seen that second implements by Fig. 4 C (5 lines in figure are almost overlapped, so that seeming almost there was only a line) The imaging lens 2 of example are 0.470 μm to wavelength, 0.510 μm, 0.555 μm, 0.610 μm, it is abnormal caused by 0.650 μm of light Become between 0% to 4.2%.

Can be seen that by Fig. 4 D, the imaging lens 2 of second embodiment are 0.470 μm to wavelength, 0.510 μm, 0.555 μm, 0.610 μm, 0.650 μm of light are equal to 2.9335mm in maximum field of view's height, generated lateral chromatism difference between -1 μm extremely Between 0.5 μm.

It can be seen that by Fig. 4 E, the imaging lens 2 of second embodiment are to wave-length coverage between 0.4700 μm to 0.6500 μm Light, respectively at the meridian direction (Tangential) and the direction the sagitta of arc (Sagittal), field height be respectively 0.0000mm, 1.1734mm, 2.3468mm, 2.9335mm, spatial frequency between 0lp/mm to 200lp/mm, modulation transfer function value between Between 0.41 to 1.0.

The longitudinal aberration of the imaging lens 2 of obvious second embodiment, the curvature of field, distortion, lateral chromatic aberration can be corrected effectively, Resolution of lens is also able to satisfy requirement, to obtain preferable optical property.

Referring to Fig. 5, Fig. 5 is the lens configuration schematic diagram of the 3rd embodiment of imaging lens according to the present invention.Imaging Camera lens 3 sequentially includes the first lens L31, aperture ST3, the second lens L32, the third lens from object side to image side along optical axis OA3 L33, the 4th lens L34 and optical filter OF3.When imaging, the light from object side is finally imaged on imaging surface IMA3.

First lens L31 is that meniscus lens have positive refractive power, and object side S31 is convex surface, and image side surface S32 is recessed Face, object side S31 and image side surface S32 are all non-spherical surface.

Second lens L32 is that meniscus lens have negative refractive power, and object side S34 is convex surface, and image side surface S35 is recessed Face, object side S34 and image side surface S35 are all non-spherical surface.

The third lens L33 is that meniscus lens have positive refractive power, and object side S36 is convex surface, and image side surface S37 is recessed Face, object side S36 and image side surface S37 are all non-spherical surface.

4th lens L34 is that biconvex lens has positive refractive power, and object side S38 is convex surface, and image side surface S39 is convex surface, Object side S38 and image side surface S39 is all non-spherical surface.

Its object side S310 of optical filter OF3 and image side surface S311 is all plane.

In addition, the imaging lens 3 in 3rd embodiment at least meet a beneath wherein condition:

0.85 < TTL3/f3 < 1 (15)

0.1 < D3₄/ TTL3 < 0.6 (16)

0.2 < f3₂₃₄/ f3 < 2 (17)

0.07 < TC3₁₂/ f3 < 1 (18)

0.25 < BFL3/f3 < 0.4 (19)

0.0006 < TC3₂₃/ TTL3 < 0.005 (20)

70 < (TC3₁₂+TC3₃₄)/TC3₂₃< 600 (21)

Above-mentioned TTL3, f3, D3₄、f3₂₃₄、TC3₁₂、TC3₂₃、TC3₃₄And TTL1 in the definition and first embodiment of BFL3, f1、D1₄、f1₂₃₄、TC1₁₂、TC1₂₃、TC1₃₄And the definition of BFL1 is identical, all will not be repeated here herein.

Using said lens, aperture ST3 and at least meet the design of condition (15) to condition (21) wherein condition, so that Imaging lens 3 can effectively shorten camera lens total length, amendment aberration, promote resolution ratio.

Table seven is the relevant parameter table of each lens of imaging lens 3 in Fig. 5, and seven data of table show, 3rd embodiment at As the effective focal length of camera lens 3 is equal to 15.0mm, f-number is equal to 2.7, camera lens total length and is equal to 14.001mm.

Table seven

Each lens in table one in the definition and first embodiment of the non-spherical surface recess degree z of each lens in table seven The definition of non-spherical surface recess degree z is identical, all will not be repeated here herein.Table eight is the non-spherical surface of each lens in table seven Relevant parameter table, wherein k is circular cone coefficient (Conic Constant), A~G is asphericity coefficient.

Table eight

Table nine be condition (15) into condition (21) each parameter value and condition (15) to condition (21) calculated value, by table nine It is found that the imaging lens 3 of 3rd embodiment are all able to satisfy the requirement of condition (15) to condition (21).

Table nine

f3	15.0mm	TTL3	14.001mm	D34	4.8mm
						f3234	12.32mm	TC312	1.35mm	TC323	0.045mm
TC334	1.875mm	BFL3	5.803mm
						TTL3/f3	0.933	D34/TTL3	0.343	f3234/f3	0.821
TC312/f3	0.09	BFL3/f3	0.387	TC323/TTL3	0.00321
						(TC312+TC334)/TC323	71.7

In addition, the optical property of the imaging lens 3 of 3rd embodiment also can reach requirement, this can be from Fig. 6 A to Fig. 6 E Out.Fig. 6 A, 6B, 6C, 6D, 6E be respectively the longitudinal aberration diagram of the 3rd embodiment of imaging lens according to the present invention, curvature of field figure, Distortion figure, lateral chromatic aberration figure, modulation transfer function figure.

Can be seen that by Fig. 6 A, the imaging lens 3 of 3rd embodiment are 0.470 μm to wavelength, 0.510 μm, 0.555 μm, 0.610 μm, longitudinal aberration value caused by 0.650 μm of light between -0.005 ㎜ between 0.035 ㎜.

Can be seen that by Fig. 6 B, the imaging lens 3 of 3rd embodiment are 0.470 μm to wavelength, 0.510 μm, 0.555 μm, The curvature of field in 0.610 μm, 0.650 μm of light, the direction (Tangential) Yu Ziwu and the direction the sagitta of arc (Sagittal) is between -12 μm between 32 μm.

It can be seen that third is implemented by Fig. 6 C (5 lines in figure are almost overlapped, so that seeming almost there was only a line) The imaging lens 3 of example are 0.470 μm to wavelength, 0.510 μm, 0.555 μm, 0.610 μm, it is abnormal caused by 0.650 μm of light Become between 0% to 1.5%.

Can be seen that by Fig. 6 D, the imaging lens 3 of 3rd embodiment are 0.470 μm to wavelength, 0.510 μm, 0.555 μm, 0.610 μm, 0.650 μm of light are equal to 2.9335mm in maximum field of view's height, and generated lateral chromatism difference is between -2.7 μm To between 0.5 μm.

It can be seen that by Fig. 6 E, the imaging lens 3 of 3rd embodiment are to wave-length coverage between 0.4700 μm to 0.6500 μm Light, respectively at the meridian direction (Tangential) and the direction the sagitta of arc (Sagittal), field height be respectively 0.0000mm, 1.1734mm, 2.3468mm, 2.9335mm, spatial frequency between 0lp/mm to 200lp/mm, modulation transfer function value between Between 0.30 to 1.0.

The longitudinal aberration of the imaging lens 3 of obvious 3rd embodiment, the curvature of field, distortion, lateral chromatic aberration can be corrected effectively, Resolution of lens is also able to satisfy requirement, to obtain preferable optical property.

Referring to Fig. 7, Fig. 7 is the lens configuration schematic diagram of the fourth embodiment of imaging lens according to the present invention.Imaging Camera lens 4 sequentially includes the first lens L41, aperture ST4, the 5th lens L45, the second lens from object side to image side along optical axis OA4 L42, the third lens L43, the 4th lens L44 and the 6th lens L46.When imaging, the light from object side finally images in imaging On the IMA4 of face.

First lens L41 by meniscus lens there is positive refractive power to be made of glass material, and object side S41 is convex surface, Image side surface S42 is concave surface, and object side S41 and image side surface S42 are all non-spherical surface.

5th lens L45 by biconcave lens there is negative refractive power to be made of plastic material, and object side S44 is concave surface, as Side S45 is concave surface, and object side S44 and image side surface S45 are all non-spherical surface.

Second lens L42 by biconcave lens there is negative refractive power to be made of plastic material, and object side S46 is concave surface, as Side S47 is concave surface, and object side S46 and image side surface S47 are all non-spherical surface.

The third lens L43 by biconvex lens there is positive refractive power to be made of plastic material, and object side S48 is convex surface, as Side S49 is convex surface, and object side S48 and image side surface S49 are all spherical face.

4th lens L44 by biconvex lens there is positive refractive power to be made of plastic material, and object side S410 is convex surface, as Side S411 is convex surface, and object side S410 and image side surface S411 are all non-spherical surface.

6th lens L46 by biconcave lens there is negative refractive power to be made of plastic material, and object side S412 is concave surface, as Side S413 is concave surface, and object side S412 and image side surface S413 are all non-spherical surface.

In addition, the imaging lens 4 in fourth embodiment at least meet a beneath wherein condition:

0.85 < TTL4/f4 < 1 (22)

0.1 < D4₄/ TTL4 < 0.6 (23)

0.2 < f4₂₃₄/ f4 < 2 (24)

0.16 < TC4₁₅/ f4 < 0.23 (25)

0.25 < BFL4/f4 < 0.4 (26)

0.0006≤TC4₂₃/TTL4≤0.005 (27)

70 < (TC4₁₂+TC4₃₄)/TC4₂₃< 600 (28)

Above-mentioned TTL4, f4, D4₄、f4₂₃₄、TC4₁₂、TC4₂₃、TC4₃₄And TTL1 in the definition and first embodiment of BFL4, f1、D1₄、f1₂₃₄、TC1₁₂、TC1₂₃、TC1₃₄And the definition of BFL1 is identical, all will not be repeated here herein.TC4₁₅For the first lens The object side S44 of the image side surface S42 to the 5th lens L45 of L41 is in the spacing on optical axis OA4.

Using said lens, aperture ST4 and at least meet the design of condition (22) to condition (28) wherein condition, so that Imaging lens 4 can effectively shorten camera lens total length, amendment aberration, promote resolution ratio.

Table ten is the relevant parameter table of each lens of imaging lens 4 in Fig. 7, and ten data of table show, fourth embodiment at As the effective focal length of camera lens 4 is equal to 17.00mm, f-number is equal to 2.59, camera lens total length and is equal to 15.87mm.

Table ten

Each lens in table one in the definition and first embodiment of the non-spherical surface recess degree z of each lens in table ten The definition of non-spherical surface recess degree z is identical, all will not be repeated here herein.

Table 11 is the relevant parameter table of the non-spherical surface of each lens in table ten, and wherein k is circular cone coefficient (Conic Constant), A~G is asphericity coefficient.

Table 11

Table 12 be condition (22) into condition (28) each parameter value and condition (22) to condition (28) calculated value, by table 12 it is found that the imaging lens 4 of fourth embodiment are all able to satisfy the requirement of condition (22) to condition (28).

Table 12

In addition, the optical property of the imaging lens 4 of fourth embodiment also can reach requirement, this can be from Fig. 8 A to Fig. 8 D Out.Fig. 8 A, 8B, 8C, 8D be the longitudinal aberration diagram of the fourth embodiment of imaging lens according to the present invention respectively, curvature of field figure, abnormal Become figure, modulation transfer function figure.

It can be seen that by Fig. 8 A, the imaging lens 4 of fourth embodiment are 0.470 μm to wavelength, 0.555 μm, 0.650 μm of light Longitudinal aberration value caused by line is between -0.01 ㎜ between 0.04 ㎜.

It can be seen that by Fig. 8 B, the imaging lens 4 of fourth embodiment are 0.470 μm to wavelength, 0.555 μm, 0.650 μm of light Line, in meridian direction and sagitta of arc direction the curvature of field between -0.03 ㎜ between 0.03 ㎜.

It can be seen that the 4th implements by Fig. 8 C (3 lines in figure are almost overlapped, so that seeming almost there was only a line) The imaging lens 4 of example are 0.470 μm to wavelength, 0.555 μm, distortion caused by 0.650 μm of light is between -0.6% to 0% Between.

It can be seen that by Fig. 8 D, the imaging lens 4 of fourth embodiment are to wave-length coverage between 0.4358 μm to 0.6563 μm Light, respectively at the meridian direction (Tangential) and the direction the sagitta of arc (Sagittal), Y visual field (Y Field) highly between 0mm To 2.67mm, the modulation transfer function value when spatial frequency is equal to 110lp/mm is between 0.24 to 0.72.

The longitudinal aberration of the imaging lens 4 of obvious fourth embodiment, the curvature of field, distortion can be corrected effectively, and camera lens is differentiated Rate is also able to satisfy requirement, to obtain preferable optical property.

Referring to Fig. 9, Fig. 9 is the lens configuration schematic diagram of the 5th embodiment of imaging lens according to the present invention.Imaging Camera lens 5 sequentially includes the first lens L51, aperture ST5, the 5th lens L55, the second lens from object side to image side along optical axis OA5 L52, the third lens L53, the 4th lens L54 and the 6th lens L56.When imaging, the light from object side finally images in imaging On the IMA5 of face.

First lens L51 by meniscus lens there is positive refractive power to be made of glass material, and object side S51 is convex surface, Image side surface S52 is concave surface, and object side S51 and image side surface S52 are all non-spherical surface.

5th lens L55 by biconcave lens there is negative refractive power to be made of plastic material, and object side S54 is concave surface, as Side S55 is concave surface, and object side S54 and image side surface S55 are all non-spherical surface.

Second lens L52 by biconcave lens there is negative refractive power to be made of plastic material, and object side S56 is concave surface, as Side S57 is concave surface, and object side S56 and image side surface S57 are all non-spherical surface.

The third lens L53 by biconvex lens there is positive refractive power to be made of plastic material, and object side S58 is convex surface, as Side S59 is convex surface, and object side S58 is spherical face, and image side surface S59 is non-spherical surface.

4th lens L54 by biconvex lens there is positive refractive power to be made of plastic material, and object side S510 is convex surface, as Side S511 is convex surface, and object side S510 and image side surface S511 are all non-spherical surface.

6th lens L56 by biconcave lens there is negative refractive power to be made of plastic material, and object side S512 is concave surface, as Side S513 is concave surface, and object side S512 and image side surface S513 are all non-spherical surface.

In addition, the imaging lens 5 in the 5th embodiment at least meet a beneath wherein condition:

0.85 < TTL5/f5 < 1 (29)

0.1 < D5₄/ TTL5 < 0.6 (30)

0.2 < f5₂₃₄/ f5 < 2 (31)

0.16 < TC5₁₅/ f5 < 0.23 (32)

0.25 < BFL5/f5 < 0.4 (33)

0.0006≤TC5₂₃/TTL5≤0.005 (34)

70 < (TC5₁₂+TC5₃₄)/TC5₂₃< 600 (35)

Above-mentioned TTL5, f5, D5₄、f5₂₃₄、TC5₁₂、TC5₂₃、TC5₃₄、TC5₁₅And in the definition and fourth embodiment of BFL5 TTL4、f4、D4₄、f4₂₃₄、TC4₁₂、TC4₂₃、TC4₃₄、TC4₁₅And the definition of BFL4 is identical, all will not be repeated here herein.

Using said lens, aperture ST5 and at least meet the design of condition (29) to condition (35) wherein condition, so that Imaging lens 5 can effectively shorten camera lens total length, amendment aberration, promote resolution ratio.

Table 13 is the relevant parameter table of each lens of imaging lens 5 in Fig. 9, and 13 data of table are shown, the 5th embodiment Imaging lens 5 effective focal length be equal to 16.97mm, f-number be equal to 2.59, camera lens total length be equal to 16.29mm.

Table 13

Each lens in table one in the definition and first embodiment of the non-spherical surface recess degree z of each lens in table 13 Non-spherical surface recess degree z definition it is identical, all will not be repeated here herein.

Table 14 is the relevant parameter table of the non-spherical surface of each lens in table 13, and wherein k is circular cone coefficient (Conic Constant), A~G are asphericity coefficient.

Table 14

Table 15 be condition (29) into condition (35) each parameter value and condition (29) to condition (35) calculated value, by table 15 it is found that the imaging lens 5 of the 5th embodiment are all able to satisfy the requirement of condition (29) to condition (35).

Table 15

In addition, the optical property of the imaging lens 5 of the 5th embodiment also can reach requirement, this can be from Figure 10 A to Figure 10 D Out.Figure 10 A, 10B, 10C, 10D are the longitudinal aberration diagram of the 5th embodiment of imaging lens according to the present invention, the curvature of field respectively Figure, distortion figure, modulation transfer function figure.

It can be seen that by Figure 10 A, the imaging lens 5 of the 5th embodiment are 0.470 μm, 0.555 μm, 0.650 μm to wavelength Longitudinal aberration value caused by light is between -0.03 ㎜ between 0.05 ㎜.

It can be seen that by Figure 10 B, the imaging lens 5 of the 5th embodiment are 0.470 μm, 0.555 μm, 0.650 μm to wavelength The curvature of field in light, the direction (Tangential) Yu Ziwu and the direction the sagitta of arc (Sagittal) is between -0.02 ㎜ between 0.03 ㎜.

It can be seen that by Figure 10 C, the imaging lens 5 of the 5th embodiment are 0.470 μm, 0.555 μm, 0.650 μm to wavelength Distortion is between -1.0% to 0% caused by light.

It can be seen that by Figure 10 D, the imaging lens 5 of the 5th embodiment are to wave-length coverage between 0.4358 μm to 0.6563 μm Light, respectively at the meridian direction (Tangential) and the direction the sagitta of arc (Sagittal), Y visual field (Y Field) highly between 0mm To 2.67mm, the modulation transfer function value when spatial frequency is equal to 110lp/mm is between 0.38 to 0.80.

The longitudinal aberration of the imaging lens 5 of obvious 5th embodiment, the curvature of field, distortion can be corrected effectively, and camera lens is differentiated Rate is also able to satisfy requirement, to obtain preferable optical property.

Figure 11 is please referred to, Figure 11 is the lens configuration schematic diagram of the sixth embodiment of imaging lens according to the present invention.At As camera lens 6 sequentially include from object side to image side along optical axis OA6 the first lens L61, aperture ST6, the 5th lens L65, second thoroughly Mirror L62, the third lens L63, the 4th lens L64 and the 6th lens L66.When imaging, the light from object side is finally imaged in into On image planes IMA6.

First lens L61 by meniscus lens there is positive refractive power to be made of glass material, and object side S61 is convex surface, Image side surface S62 is concave surface, and object side S61 and image side surface S62 are all non-spherical surface.

5th lens L65 by biconcave lens there is negative refractive power to be made of plastic material, and object side S64 is concave surface, as Side S65 is concave surface, and object side S64 and image side surface S65 are all non-spherical surface.

Second lens L62 by biconcave lens there is negative refractive power to be made of plastic material, and object side S66 is concave surface, as Side S67 is concave surface, and object side S66 and image side surface S67 are all non-spherical surface.

The third lens L63 by biconvex lens there is positive refractive power to be made of plastic material, and object side S68 is convex surface, as Side S69 is convex surface, and object side S68 is spherical face, and image side surface S69 is non-spherical surface.

4th lens L64 by biconvex lens there is positive refractive power to be made of plastic material, and object side S610 is convex surface, as Side S611 is convex surface, and object side S610 and image side surface S611 are all non-spherical surface.

6th lens L66 by biconcave lens there is negative refractive power to be made of plastic material, and object side S612 is concave surface, as Side S613 is concave surface, and object side S612 and image side surface S613 are all non-spherical surface.

In addition, the imaging lens 6 in sixth embodiment at least meet a beneath wherein condition:

0.85 < TTL6/f6 < 1 (36)

0.1 < D6₄/ TTL6 < 0.6 (37)

0.2 < f6₂₃₄/ f6 < 2 (38)

0.16 < TC6₁₅/ f6 < 0.23 (39)

0.25 < BFL6/f6 < 0.4 (40)

0.0006≤TC6₂₃/TTL6≤0.005 (41)

70 < (TC6₁₂+TC6₃₄)/TC6₂₃< 600 (42)

Above-mentioned TTL6, f6, D6₄、f6₂₃₄、TC6₁₂、TC6₂₃、TC6₃₄、TC6₁₅And in the definition and fourth embodiment of BFL6 TTL4、f4、D4₄、f4₂₃₄、TC4₁₂、TC4₂₃、TC4₃₄、TC4₁₅And the definition of BFL4 is identical, all will not be repeated here herein.

Using said lens, aperture ST6 and at least meet the design of condition (36) to condition (42) wherein condition, so that Imaging lens 6 can effectively shorten camera lens total length, amendment aberration, promote resolution ratio.

Table 16 is the relevant parameter table of each lens of imaging lens 6 in Figure 11, and 16 data of table are shown, sixth embodiment Imaging lens 6 effective focal length be equal to 16.87mm, f-number be equal to 2.61, camera lens total length be equal to 16.01mm.

Table 16

Each lens in table one in the definition and first embodiment of the non-spherical surface recess degree z of each lens in table 16 Non-spherical surface recess degree z definition it is identical, all will not be repeated here herein.

Table 17 is the relevant parameter table of the non-spherical surface of each lens in table 16, and wherein k is circular cone coefficient (Conic Constant), A~G are asphericity coefficient.

Table 17

Table 18 be condition (36) into condition (42) each parameter value and condition (36) to condition (42) calculated value, by table 18 it is found that the imaging lens 6 of sixth embodiment are all able to satisfy the requirement of condition (36) to condition (42).

Table 18

In addition, the optical property of the imaging lens 6 of sixth embodiment also can reach requirement, this can be from Figure 12 A to Figure 12 D Out.Figure 12 A, 12B, 12C, 12D are the longitudinal aberration diagram of the sixth embodiment of imaging lens according to the present invention, the curvature of field respectively Figure, distortion figure, modulation transfer function figure.

It can be seen that by Figure 12 A, the imaging lens 6 of sixth embodiment are 0.470 μm, 0.555 μm, 0.650 μm to wavelength Longitudinal aberration value caused by light is between -0.08 ㎜ between 0.10 ㎜.

It can be seen that by Figure 12 B, the imaging lens 6 of sixth embodiment are 0.470 μm, 0.555 μm, 0.650 μm to wavelength Light, in meridian direction and sagitta of arc direction the curvature of field between -0.03 ㎜ between 0.10 ㎜.

It can be seen that by Figure 12 C, the imaging lens 6 of sixth embodiment are 0.470 μm, 0.555 μm, 0.650 μm to wavelength Distortion is between -1.8% to 0% caused by light.

It can be seen that by Figure 12 D, the imaging lens 6 of sixth embodiment are to wave-length coverage between 0.4700 μm to 0.6500 μm Light, respectively at the meridian direction (Tangential) and the direction the sagitta of arc (Sagittal), Y visual field (Y Field) highly between 0mm to 2.67mm, the modulation transfer function value when spatial frequency is equal to 110lp/mm is between 0.52 to 0.73.

The longitudinal aberration of the imaging lens 6 of obvious sixth embodiment, the curvature of field, distortion can be corrected effectively, and camera lens is differentiated Rate is also able to satisfy requirement, to obtain preferable optical property.

Figure 13 is please referred to, Figure 13 is the lens configuration schematic diagram of the 7th embodiment of imaging lens according to the present invention.At As camera lens 7 sequentially includes that the first lens L71, aperture ST7, the second lens L72, third are saturating from object side to image side along optical axis OA7 Mirror L73, the 4th lens L74 and an optical filter OF7.When imaging, the light from object side is finally imaged on imaging surface IMA7.

First lens L71 by meniscus lens there is positive refractive power to be made of glass material, and object side S71 is convex surface, Image side surface S72 is concave surface, and object side S71 and image side surface S72 are all non-spherical surface.

Second lens L72 by biconcave lens there is negative refractive power to be made of glass material, and object side S74 is concave surface, as Side S75 is concave surface, and object side S74 and image side surface S75 are all non-spherical surface.

The third lens L73 by biconvex lens there is positive refractive power to be made of glass material, and object side S76 is convex surface, as Side S77 is convex surface, and object side S76 and image side surface S77 are all non-spherical surface.

4th lens L74 by meniscus lens there is negative refractive power to be made of glass material, and object side S78 is concave surface, Image side surface S79 is convex surface, and object side S78 and image side surface S79 are all non-spherical surface.

Its object side S710 of optical filter OF7 and image side surface S711 is all plane.

In addition, the imaging lens 7 in the 7th embodiment, imaging lens 8 in the 8th embodiment, in the 9th embodiment at As camera lens 9, imaging lens 10 in the tenth embodiment, the imaging lens 11 in the 11st embodiment, in the 12nd embodiment Imaging lens 13 in the 12, the 13rd embodiment of imaging lens, other than meeting the conditional of the first to the 5th embodiment, also extremely It is few to meet a beneath wherein condition:

R₄₁/R₁₁< 0 (43)

(f₁+f₃)/f₂< 0 (44)

f₂₃₄<0 (45)

f₂₃₅₄<0 (46)

TC₂₃< TTL/5 (47)

TC₃₄< TTL/5 (48)

0.6 < SL/TTL < 1.1 (49)

0.2 < D₄/ TTL < 0.6 (50)

1 < f/TTL < 1.5 (51)

0.07 < (TC₁₂+TC ₂₃)/TTL < 0.25 (52)

Wherein, R₁₁For in the 7th to the 13rd embodiment first lens L71, L81, L91, L101, L111, L121, The radius of curvature of object side S71, S81, S91, S101, S111, S121, S131 of L131, R₄₁For the 7th to the 13rd embodiment In object side S78, S88 of the 4th lens L74, L84, L94, L104, L114, L124, L134, S98, S108, S118, The radius of curvature of S128, S138, f₁For in the 7th to the 13rd embodiment first lens L71, L81, L91, L101, L111, The effective focal length of L121, L131, f₂For in the 7th to the 13rd embodiment second lens L72, L82, L92, L102, L112, The effective focal length of L122, L132, f₃For in the 7th to the 13rd embodiment the third lens L73, L83, L93, L103, L113, The effective focal length of L123, L133, f₂₃₄For in the 7th to the 9th embodiment second lens L72, L82, L92, the third lens L73, The combined effective focal length of L83, L93 and the 4th lens L74, L84, L94, f₂₃₅₄For second in the tenth to the 13rd embodiment Lens L102, L112, L122, L132, the third lens L103, L113, L123, L133, the 5th lens L105, L115, L125, The combined effective focal length of L135 and the 4th lens L104, L114, L124, L134, TC₂₃For in the 7th to the 13rd embodiment Image side surface S75, S85 of second lens L72, L82, L92, L102, L112, L122, L132, S95, S105, S115, S125, Object side S76, S86 of S135 to the third lens L73, L83, L93, L103, L113, L123, L133, S96, S106, S116, In the air spacing on optical axis OA7, OA8, OA9, OA10, OA11, OA12, OA13, TTL is the 7th to the 13rd by S126, S136 Object side S71, S81 of first lens L71, L81, L91, L101, L111, L121, L131 in embodiment, S91, S101, S111, S121, S131 to imaging surface IMA7, IMA8, IMA9, IMA10, IMA11, IMA12, IMA13 in optical axis OA7, OA8, Spacing on OA9, OA10, OA11, OA12, OA13, TC₃₄For the third lens L73, L83, L93 in the 7th to the 9th embodiment Image side surface S77, S87, S97 to the 4th lens L74, L84, L94 object side S78, S88, S98 in optical axis OA7, OA8, OA9 On air spacing, SL be the 7th to the 13rd embodiment in aperture ST7, ST8, ST9, ST10, ST11, ST12, ST13 extremely Imaging surface IMA7, IMA8, IMA9, IMA10, IMA11, IMA12, IMA13 in optical axis OA7, OA8, OA9, OA10, OA11, OA12, Spacing on OA13, D₄For in the 7th to the 13rd embodiment the 4th lens L74, L84, L94, L104, L114, L124, The optics effective diameter of L134, f are effective coke of the imaging lens 7,8,9,10,11,12,13 in the 7th to the 13rd embodiment Away from TC₁₂For the image side surface of first lens L71, L81, L91, L101, L111, L121, L131 in the 7th to the 13rd embodiment The object of S72, S82, S92, S102, S112, S122, S132 to second lens L72, L82, L92, L102, L112, L122, L132 Side S74, S84, S94, S104, S114, S124, S134 are on optical axis OA7, OA8, OA9, OA10, OA11, OA12, OA13 Air spacing.

Using said lens, aperture ST7, ST8, ST9, ST10, ST11, ST12, ST13 and at least meet condition (43) extremely The design of condition (52) wherein condition, enable imaging lens 7,8,9,10,11,12,13 effectively shorten camera lens total length, It corrects aberration, promote resolution ratio.

Table 19 is the relevant parameter table of each lens of imaging lens 7 in Figure 13, and 19 data of table are shown, the 7th embodiment Imaging lens 7 effective focal length be equal to 14.045mm, f-number be equal to 2.6, camera lens total length be equal to 13.955356mm, view Field is equal to 23.6 degree.

Table 19

Each lens in table one in the definition and first embodiment of the non-spherical surface recess degree z of each lens in table 19 Non-spherical surface recess degree z definition it is identical, all will not be repeated here herein.

Table 20 is the relevant parameter table of the non-spherical surface of each lens in table 19, and wherein k is circular cone coefficient (Conic Constant), A~G are asphericity coefficient.

Table 20

Table 21 be condition (43) to condition (45) and condition (47) each parameter value and condition (43) into condition (52) To condition (45) and condition (47) to the calculated value of condition (52), by table 21 it is found that the imaging lens 7 of the 7th embodiment all Condition (43) is able to satisfy to condition (45) and condition (47) to the requirement of condition (52).

Table 21

In addition, the optical property of the imaging lens 7 of the 7th embodiment also can reach requirement, this can be from Figure 14 A to Figure 14 C Out.It is curvature of field figure, distortion figure, the modulation conversion letter of the imaging lens 7 of the 7th embodiment respectively shown in Figure 14 A, 14B, 14C Number figure.

Can be seen that by Figure 14 A, the imaging lens 7 of the 7th embodiment are 0.470 μm to wavelength, 0.510 μm, 0.555 μm, The curvature of field in 0.610 μm, 0.650 μm of light, the direction (Tangential) Yu Ziwu and the direction the sagitta of arc (Sagittal) between- 0.06 ㎜ is between 0.12 ㎜.

It can be seen that, the 7th embodiment by Figure 14 B (5 lines in figure are almost overlapped, so that seeming an only line) Imaging lens 7 be 0.470 μm to wavelength, 0.510 μm, 0.555 μm, 0.610 μm, distort caused by 0.650 μm of light Between 0% to 0.7%.

It can be seen that by Figure 14 C, the imaging lens 7 of the 7th embodiment are to wave-length coverage between 0.4700 μm to 0.6500 μm Light, respectively at meridian direction and sagitta of arc direction, field height be respectively 0.0000mm, 1.0604mm, 2.1208mm, 2.6510mm, 2.9510mm, spatial frequency is between 0lp/mm to 250lp/mm, and modulation transfer function value is between 0.15 to 1.0 Between.

The curvature of field of the imaging lens 7 of obvious 7th embodiment, distortion can be corrected effectively, and resolution of lens is also able to satisfy It is required that obtain preferable optical property.

Please refer to table 22 and table 23.Table 20 is second is that the 8th embodiment of imaging lens according to the present invention The relevant parameter table of each lens, table 23 are the relevant parameter table of the non-spherical surface of each lens in table 22.

The lens of 7th embodiment of the lens configuration schematic diagram and imaging lens of the 8th embodiment of above-mentioned imaging lens Configuration schematic diagram is approximate, therefore omits its legend.

22 data of table show that the effective focal length of the imaging lens of the 8th embodiment is equal to 14.05mm, f-number is equal to 2.6, camera lens total length is equal to 13.74895mm, visual field is equal to 21.4 degree.

Table 22

It is each in table one in the definition and first embodiment of the non-spherical surface recess degree z of each lens in table 22 The definition of the non-spherical surface recess degree z of mirror is identical, all will not be repeated here herein.

Table 23 is the relevant parameter table of the non-spherical surface of each lens in table 22, and wherein k is circular cone coefficient (Conic Constant), A~G are asphericity coefficient.

Table 23

Table 24 be condition (43) to condition (45) and condition (47) each parameter value and condition (43) into condition (52) To condition (45) and condition (47) to the calculated value of condition (52), by table 24 it is found that the imaging lens of the 8th embodiment all Condition (43) is able to satisfy to condition (45) and condition (47) to the requirement of condition (52).

Table 24

The curvature of field (omitting legend) of the imaging lens of above-mentioned 8th embodiment, distortion (omitting legend) also can be repaired effectively Just, resolution of lens is also able to satisfy requirement, to obtain preferable optical property.

Figure 15 is please referred to, Figure 15 is the lens configuration schematic diagram of the 9th embodiment of imaging lens according to the present invention.At As camera lens 9 sequentially includes that aperture ST9, the first lens L91, the second lens L92, third are saturating from object side to image side along optical axis OA9 Mirror L93, the 4th lens L94 and optical filter OF9.When imaging, the light from object side is finally imaged on imaging surface IMA9.

First lens L91 by meniscus lens there is positive refractive power to be made of glass material, and object side S92 is convex surface, Image side surface S93 is concave surface, and object side S92 and image side surface S93 are all non-spherical surface.

Second lens L92 by biconcave lens there is negative refractive power to be made of glass material, and object side S94 is concave surface, as Side S95 is concave surface, and object side S94 and image side surface S95 are all non-spherical surface.

The third lens L93 by biconvex lens there is positive refractive power to be made of glass material, and object side S96 is convex surface, as Side S97 is convex surface, and object side S96 and image side surface S97 are all non-spherical surface.

4th lens L94 by meniscus lens there is negative refractive power to be made of glass material, and object side S98 is concave surface, Image side surface S99 is convex surface, and object side S98 and image side surface S99 are all non-spherical surface.

Its object side S910 of optical filter OF9 and image side surface S911 is all plane.

Table 25 is the relevant parameter table of each lens of imaging lens 9 in Figure 15, and 25 data of table are shown, the 9th is real Apply the imaging lens 9 of example effective focal length be equal to 14.05mm, f-number be equal to 2.6, camera lens total length be equal to 13.920795mm, Visual field is equal to 23.7 degree.

Table 25

It is each in table one in the definition and first embodiment of the non-spherical surface recess degree z of each lens in table 25 The definition of the non-spherical surface recess degree z of mirror is identical, all will not be repeated here herein.

Table 26 is the relevant parameter table of the non-spherical surface of each lens in table 25, and wherein k is circular cone coefficient (Conic Constant), A~G are asphericity coefficient.

Table 26

Table 27 be condition (43) to condition (45) and condition (47) each parameter value and condition (43) into condition (52) To condition (45) and condition (47) to the calculated value of condition (52), by table 27 it is found that the imaging lens 9 of the 9th embodiment all Condition (43) is able to satisfy to condition (45) and condition (47) to the requirement of condition (52).

Table 27

In addition, the optical property of the imaging lens 9 of the 9th embodiment also can reach requirement, this can be from Figure 16 A to Figure 16 C Out.It is that curvature of field figure, distortion figure and the modulation of the imaging lens 9 of the 9th embodiment turn respectively shown in Figure 16 A, 16B, 16C Change functional arrangement.

Can be seen that by Figure 16 A, the imaging lens 9 of the 9th embodiment are 0.470 μm to wavelength, 0.510 μm, 0.555 μm, 0.610 μm, 0.650 μm of light, in meridian direction and sagitta of arc direction the curvature of field between -0.15 ㎜ between 0.08 ㎜.By scheming 16B can be seen that the imaging lens 9 of the 9th embodiment are 0.470 μm, 0.510 μm, 0.555 μm, 0.610 μm, 0.650 μ to wavelength Distortion is between 0.0% to 1.2% caused by the light of m.It can be seen that by Figure 16 C, the imaging lens 9 of the 9th embodiment are right Wave-length coverage is between 0.4700 μm to 0.6500 μm of light, and respectively at meridian direction and sagitta of arc direction, field height is respectively 0.0000mm, 1.0604mm, 2.1208mm, 2.6510mm, 2.9510mm, spatial frequency between 0lp/mm to 250lp/mm, Modulation transfer function value is between 0.08 to 1.0.The curvature of field of the imaging lens 9 of obvious 9th embodiment, distortion can be had Effect amendment, resolution of lens is also able to satisfy requirement, to obtain preferable optical property.

Figure 17 is please referred to, Figure 17 is the lens configuration schematic diagram of the tenth embodiment of imaging lens according to the present invention.At As camera lens 10 sequentially includes the first lens L101, aperture ST10, the second lens L102, from object side to image side along optical axis OA10 Three lens L103, the 5th lens L105, the 4th lens L104 and optical filter OF10.When imaging, the light from object side finally at As on imaging surface IMA10.

First lens L101 by meniscus lens there is positive refractive power to be made of glass material, and object side S101 is convex Face, image side surface S102 are concave surface, and object side S101 and image side surface S102 are all non-spherical surface.

Second lens L102 by biconcave lens there is negative refractive power to be made of glass material, and object side S104 is concave surface, Image side surface S105 is concave surface, and object side S104 and image side surface S105 are all non-spherical surface.

The third lens L103 by meniscus lens there is positive refractive power to be made of glass material, and object side S106 is convex Face, image side surface S107 are concave surface, and object side S106 and image side surface S107 are all non-spherical surface.

5th lens L105 by biconvex lens there is positive refractive power to be made of glass material, and object side S108 is convex surface, Image side surface S109 is convex surface, and object side S108 and image side surface S109 are all non-spherical surface.

4th lens L104 by biconcave lens there is negative refractive power to be made of glass material, and object side S1010 is concave surface, Image side surface S1011 is concave surface, and object side S1010 and image side surface S1011 are all non-spherical surface.

Its object side S1012 of optical filter OF10 and image side surface S1013 is all plane.

Table 28 is the relevant parameter table of each lens of imaging lens 10 in Figure 17, and 28 data of table are shown, the tenth The effective focal length of the imaging lens 10 of embodiment is equal to 14.9947mm, f-number is equal to 2.7, camera lens total length and is equal to 14.005748mm, visual field be equal to 24 degree.

It is each in table one in the definition and first embodiment of the non-spherical surface recess degree z of each lens in table 28 The definition of the non-spherical surface recess degree z of mirror is identical, all will not be repeated here herein.

Table 29 is the relevant parameter table of the non-spherical surface of each lens in table 28, and wherein k is circular cone coefficient (Conic Constant), A~G are asphericity coefficient.

Table 29

Table 30 be condition (43) to condition (44) and condition (46) to condition (47) and condition (49) into condition (52) Each parameter value and condition (43) to condition (44) and condition (46) to condition (47) and condition (49) to the calculated value of condition (52), By table 30 it is found that the imaging lens 10 of the tenth embodiment are all able to satisfy condition (43) to condition (44) and condition (46) to condition (47) and condition (49) to condition (52) requirement.

Table 30

In addition, the optical property of the imaging lens 10 of the tenth embodiment also can reach requirement, this can be from Figure 18 A to Figure 18 C Find out.It is curvature of field figure, the distortion figure, modulation conversion of the imaging lens 10 of the tenth embodiment respectively shown in Figure 18 A, 18B, 18C Functional arrangement.

Can be seen that by Figure 18 A, the imaging lens 10 of the tenth embodiment are 0.470 μm to wavelength, 0.510 μm, 0.555 μm, 0.610 μm, 0.650 μm of light, in meridian direction and sagitta of arc direction the curvature of field between -0.04 ㎜ between 0.07 ㎜.

Can be seen that by Figure 18 B, the imaging lens 10 of the tenth embodiment are 0.470 μm to wavelength, 0.510 μm, 0.555 μm, 0.610 μm, distortion caused by 0.650 μm of light is between 0.0% to 0.9%.

It can be seen that by Figure 18 C, the imaging lens 10 of the tenth embodiment are to wave-length coverage between 0.4700 μm to 0.6500 μm Light, respectively at meridian direction and sagitta of arc direction, field height be respectively 0.0000mm, 1.1732mm, 2.3464mm, 3.2330mm, spatial frequency is between 0lp/mm to 320lp/mm, and modulation transfer function value is between 0.01 to 1.0.It is obvious The curvature of field of the imaging lens 10 of tenth embodiment, distortion can be corrected effectively, and resolution of lens is also able to satisfy requirement, thus To preferable optical property.

Figure 19 is please referred to, Figure 19 is the lens configuration schematic diagram of the 11st embodiment of imaging lens according to the present invention. Imaging lens 11 sequentially include from object side to image side along optical axis OA11 the first lens L111, aperture ST11, the second lens L112, The third lens L113, the 5th lens L115, the 4th lens L114 and an optical filter OF11.When imaging, the light from object side is most After image on imaging surface IMA11.

First lens L111 by meniscus lens there is positive refractive power to be made of glass material, and object side S111 is convex Face, image side surface S112 are concave surface, and object side S111 and image side surface S112 are all non-spherical surface.

Second lens L112 by biconcave lens there is negative refractive power to be made of glass material, and object side S114 is concave surface, Image side surface S115 is concave surface, and object side S114 and image side surface S115 are all non-spherical surface.

The third lens L113 by meniscus lens there is positive refractive power to be made of glass material, and object side S116 is convex Face, image side surface S117 are concave surface, and object side S116 and image side surface S117 are all non-spherical surface.

5th lens L115 by biconvex lens there is positive refractive power to be made of glass material, and object side S118 is convex surface, Image side surface S119 is convex surface, and object side S118 and image side surface S119 are all non-spherical surface.

4th lens L114 by meniscus lens there is negative refractive power to be made of glass material, and object side S1110 is recessed Face, image side surface S1111 are convex surface, and object side S1110 and image side surface S1111 are all non-spherical surface.

Its object side S1112 of optical filter OF11 and image side surface S1113 is all plane.

Table 31 is the relevant parameter table of each lens of imaging lens 11 in Figure 19, and 31 data of table are shown, the tenth The effective focal length of the imaging lens 11 of one embodiment is equal to 14.9971mm, f-number is equal to 2.7, camera lens total length and is equal to 14.00622223mm, visual field be equal to 22 degree.

Table 31

It is each in table one in the definition and first embodiment of the non-spherical surface recess degree z of each lens in table 31 The definition of the non-spherical surface recess degree z of mirror is identical, all will not be repeated here herein.

Table 32 is the relevant parameter table of the non-spherical surface of each lens in table 31, and wherein k is circular cone coefficient (Conic Constant), A~G are asphericity coefficient.

Table 32

Table 33 is condition (43) to condition (44) and condition (46) to condition (47) and condition (49) to condition (52) In each parameter value and condition (43) to condition (44) and condition (46) to condition (47) and condition (49) to the calculating of condition (52) Value, by table 33 it is found that the imaging lens 11 of the 11st embodiment are all able to satisfy condition (43) to condition (44) and condition (46) to condition (47) and condition (49) to the requirement of condition (52).

Table 33

In addition, the optical property of the imaging lens 11 of the 11st embodiment also can reach requirement, this can be from Figure 20 A to figure 20C finds out.It is curvature of field figure, distortion figure and the tune of the imaging lens 11 of the 11st embodiment respectively shown in Figure 20 A, 20B, 20C Become transfer function figure.

It can be seen that by Figure 20 A, the imaging lens 11 of the 11st embodiment are 0.470 μm, 0.510 μm, 0.555 μ to wavelength M, the curvature of field in 0.610 μm, 0.650 μm of light, the direction (Tangential) Yu Ziwu and the direction the sagitta of arc (Sagittal) between- 0.01 ㎜ is between 0.06 ㎜.

It can be seen that by Figure 20 B, the imaging lens 11 of the 11st embodiment are 0.470 μm, 0.510 μm, 0.555 μ to wavelength M, 0.610 μm, distortion caused by 0.650 μm of light is between 0.0% to 0.8%.

It can be seen that by Figure 20 C, the imaging lens 11 of the 11st embodiment are to wave-length coverage between 0.4700 μm to 0.6500 μ The light of m, respectively at the meridian direction (Tangential) and the direction the sagitta of arc (Sagittal), field height is respectively 0.0000mm, 0.5866mm, 1.1732mm, 1.4665mm, 2.0531mm, 2.3464mm, 2.9330mm, spatial frequency between 0lp/mm to 320lp/mm, modulation transfer function value is between 0.05 to 1.0.

The curvature of field of the imaging lens 11 of obvious 11st embodiment, distortion can be corrected effectively, and resolution of lens also can It meets the requirements, to obtain preferable optical property.

Figure 21 is please referred to, Figure 21 is the lens configuration schematic diagram of the 12nd embodiment of imaging lens according to the present invention. Imaging lens 12 along optical axis OA12 sequentially include from object side to image side aperture ST12, the first lens L121, the second lens L122, The third lens L123, the 5th lens L125, the 4th lens L124 and an optical filter OF12.When imaging, the light from object side is most After image on imaging surface IMA12.

First lens L121 by biconvex lens there is positive refractive power to be made of glass material, and object side S122 is convex surface, Image side surface S123 is convex surface, and object side S122 and image side surface S123 are all non-spherical surface.

Second lens L122 by biconcave lens there is negative refractive power to be made of glass material, and object side S124 is concave surface, Image side surface S125 is concave surface, and object side S124 and image side surface S125 are all non-spherical surface.

The third lens L123 by meniscus lens there is positive refractive power to be made of glass material, and object side S126 is convex Face, image side surface S127 are concave surface, and object side S126 and image side surface S127 are all non-spherical surface.

5th lens L125 by meniscus lens there is positive refractive power to be made of glass material, and object side S128 is recessed Face, image side surface S129 are convex surface, and object side S128 and image side surface S129 are all non-spherical surface.

4th lens L124 by meniscus lens there is negative refractive power to be made of glass material, and object side S1210 is recessed Face, image side surface S1211 are convex surface, and object side S1210 and image side surface S1211 are all non-spherical surface.

Its object side S1212 of optical filter OF12 and image side surface S1213 is all plane.

Table 34 is the relevant parameter table of each lens of imaging lens 12 in Figure 21, and 34 data of table are shown, the tenth The effective focal length of the imaging lens 12 of two embodiments is equal to 14.4731mm, f-number is equal to 3.4, camera lens total length and is equal to 12.121364mm, visual field be equal to 23 degree.

Table 34

It is each in table one in the definition and first embodiment of the non-spherical surface recess degree z of each lens in table 34 The definition of the non-spherical surface recess degree z of mirror is identical, all will not be repeated here herein.

Table 35 is the relevant parameter table of the non-spherical surface of each lens in table 34, and wherein k is circular cone coefficient (Conic Constant), A~G are asphericity coefficient.

Table 35

Table 36 is condition (43) to condition (44) and condition (46) to condition (47) and condition (49) to condition (52) In each parameter value and condition (43) to condition (44) and condition (46) to condition (47) and condition (49) to the calculating of condition (52) Value, by table 36 it is found that the imaging lens 12 of the 12nd embodiment are all able to satisfy condition (43) to condition (44) and condition (46) to condition (47) and condition (49) to the requirement of condition (52).

Table 36

In addition, the optical property of the imaging lens 12 of the 12nd embodiment also can reach requirement, this can be from Figure 22 A to figure 22C finds out.Shown in Figure 22 A, 22B, 22C, be respectively the curvature of field figures of the imaging lens 12 of the 12nd embodiment, distortion figure, with And modulation transfer function figure.

It can be seen that by Figure 22 A, the imaging lens 12 of the 12nd embodiment are 0.470 μm, 0.510 μm, 0.555 μ to wavelength M, the curvature of field in 0.610 μm, 0.650 μm of light, the direction (Tangential) Yu Ziwu and the direction the sagitta of arc (Sagittal) between- 0.14 ㎜ is between 0.02 ㎜.

It can be seen that by Figure 22 B, the imaging lens 12 of the 12nd embodiment are 0.470 μm, 0.510 μm, 0.555 μ to wavelength M, 0.610 μm, distortion caused by 0.650 μm of light is between -0.6% to 0.2%.

It can be seen that by Figure 22 C, the imaging lens 12 of the 12nd embodiment are to wave-length coverage between 0.4700 μm to 0.6500 μ The light of m, respectively at the meridian direction (Tangential) and the direction the sagitta of arc (Sagittal), field height is respectively 0.0000mm, 0.5866mm, 1.1732mm, 1.4665mm, 2.0531mm, 2.3464mm, 2.9330mm, spatial frequency between 0lp/mm to 250lp/mm, modulation transfer function value is between 0.18 to 1.0.

The curvature of field of the imaging lens 12 of obvious 12nd embodiment, distortion can be corrected effectively, and resolution of lens also can It meets the requirements, to obtain preferable optical property.

Please refer to table 37 and table 38.Table 30 seventh is that imaging lens according to the present invention the 13rd embodiment Each lens relevant parameter table, table 38 be table 37 in each lens non-spherical surface relevant parameter table.

12nd embodiment of the lens configuration schematic diagram and imaging lens of the 13rd embodiment of above-mentioned imaging lens Lens configuration schematic diagram is approximate, therefore omits its legend.

37 data of table show that the effective focal length of the imaging lens of the 13rd embodiment is equal to 8.299mm, f-number etc. In 2.8, camera lens total length is equal to 6.340399mm, visual field is equal to 35.4 degree.

Table 37

It is each in table one in the definition and first embodiment of the non-spherical surface recess degree z of each lens in table 37 The definition of the non-spherical surface recess degree z of mirror is identical, all will not be repeated here herein.

Table 38 is the relevant parameter table of the non-spherical surface of each lens in table 37, and wherein k is circular cone coefficient (Conic Constant), A~G are asphericity coefficient.

Table 38

Table 39 is condition (43) to condition (44) and condition (46) to condition (47) and condition (49) to condition (52) In each parameter value and condition (43) to condition (44) and condition (46) to condition (47) and condition (49) to the calculating of condition (52) Value, by table 39 it is found that the imaging lens of the 13rd embodiment are able to satisfy condition (43) to condition (44) and condition (46) extremely Condition (47) and condition (49) to condition (52) requirement.

Table 39

The curvature of field (omitting legend) of the imaging lens of above-mentioned 13rd embodiment, distortion (omitting legend) also can be effective Amendment, resolution of lens is also able to satisfy requirement, to obtain preferable optical property.

Whole lens are all made of glass material in above-described embodiment, however it is understood that arrive, if whole lens all change by Plastic material is made or part lens change and are made of plastic material, should also belong to the scope of the present invention.

In above-described embodiment, whole apertures are all round.However it is understood that arriving, if being revised as aperture such as Figure 23, figure Non-circular aperture shown in 24, should also belong to the scope of the present invention.It is beneath will be further to non-circular aperture shown in Figure 23, Figure 24 Description.

Figure 23 is please referred to, Figure 23 is the schematic diagram of non-circular aperture according to the present invention.Non-circular aperture 30 includes ring-type Ontology 301, outer ring circumference 302 and inner ring circumference 303, annular body 301 are connect with outer ring circumference 302 and inner ring circumference 303, ring Shape ontology 301 between outer ring circumference 302 and inner ring circumference 303, outer ring circumference 302 be it is non-circular, inner ring circumference 303 be it is non- It is round and form hole 3031 around optical axis 40.The maximum hole spacing that inner ring circumference 303 passes through optical axis 40 is D1x, inner circumference The minimum hole spacing that portion 303 passes through optical axis 40 is D1y.Non-circular aperture 30 meets the following conditions:

D1x>D1y；

1<D1x/D1y<28；

0<(D1x-D1y)/(D1x/2)<2；

0<(A1x-△S1)/A1x<1；

0<△S1/(D1x/2)<8；

Wherein, D1x is the maximum hole spacing that hole 3031 passes through optical axis 40, and D1y is that hole 3031 passes through optical axis 40 Minimum hole spacing, A1x are using D1x as the area of a circle of diameter, and Δ S1 is using D1x as the hole of the area of a circle of diameter and hole 3031 The difference of hole area.

Figure 24 is please referred to, Figure 24 is the schematic diagram of non-circular aperture according to the present invention.Non-circular aperture 50 includes ring-type Ontology 501, outer ring circumference 502 and inner ring circumference 503, annular body 501 are connect with outer ring circumference 502 and inner ring circumference 503, ring Shape ontology 501 between outer ring circumference 502 and inner ring circumference 503, outer ring circumference 502 be it is non-circular, inner ring circumference 503 be it is non- It is round and form hole 5031 around optical axis 60.The maximum hole spacing that inner ring circumference 503 passes through optical axis 60 is D2x, inner circumference The minimum hole spacing that portion 503 passes through optical axis 60 is D2y.Non-circular aperture 50 meets the following conditions:

D2x>D2y；

1<D2x/D2y<28；

0<(D2x-D2y)/(D2x/2)<2；

0<(A2x-△S2)/A2x<1；

0<△S2/(D2x/2)<8；

The definition of above-mentioned D2x, D2y, A2x and Δ S2 are identical as the definition of D1x, D1y, A1x and Δ S1, are neither subject to herein It repeats.

Above-mentioned non-circular aperture 30 and non-circular aperture 50 can be made of metal material, polyethylene terephthalate (PET) it is made or lens any in imaging lens is made via atomization or blacking or the non-effective diameter mode of printing.

Reflection subassembly can be further included between above-mentioned non-circular aperture 30 and object side.

Reflection subassembly can be further included between above-mentioned non-circular aperture 50 and object side.

Above-mentioned reflection subassembly can be prism or reflecting mirror.

Although the present invention is disclosed above with embodiment, it is not intended to limit the invention, those skilled in the art Member, without departing from the spirit and scope of the present invention, when can be used for a variety of modifications and variations, therefore protection scope of the present invention is worked as Subject to as defined in claim.

Claims (19)

1. a kind of imaging lens characterized by comprising

First lens have positive refractive power；

Second lens have negative refractive power；

The third lens have refractive power；And

4th lens have refractive power；

Wherein first lens, second lens, the third lens and the 4th lens along optical axis from object side to image side according to Sequence arrangement；

Wherein the imaging lens meet the following conditions:

0.1 < D₄/ TTL < 0.6；

Wherein, D₄For the optics effective diameter of the 4th lens, TTL be first lens object side to imaging surface in the optical axis On spacing.

2. imaging lens as described in claim 1, which is characterized in that further include non-circular aperture, which includes Peripheral part and inner peripheral portion, the inner peripheral portion and the peripheral part at least one be it is non-circular, which forms hole around the optical axis Hole, the maximum hole spacing which passes through the optical axis are Dx, and the minimum hole spacing which passes through the optical axis is Dy, The non-circular aperture meets the following conditions: 1 < Dx/Dy < 28.

3. imaging lens as described in claim 1, which is characterized in that first lens include convex surface towards the object side and recessed Facing towards the image side, which includes concave surface towards the image side, which has positive refractive power, the third lens packet Convex surface is included towards the object side, the 4th lens have a positive refractive power, and the 4th lens include convex surface towards the image side.

4. imaging lens as claimed in claim 3, which is characterized in that second lens further include convex surface towards the object side, are somebody's turn to do The third lens further include concave surface towards the image side.

5. imaging lens as claimed in claim 4, which is characterized in that the imaging lens meet the following conditions:

0.07 < TC₁₂/ f < 1；

Wherein, TC₁₂For first lens image side surface to the object side of second lens in the spacing on the optical axis, f be this at As the effective focal length of camera lens.

6. imaging lens as claimed in claim 3, which is characterized in that further include the 5th lens and be set to first lens and be somebody's turn to do Between second lens and the 6th lens are set between the 4th lens and the image side, and wherein second lens further include recessed Facing towards the object side, which further includes convex surface towards the image side, and the 4th lens further include convex surface towards the object side, is somebody's turn to do 5th lens are that biconcave lens has negative refractive power, and the 6th lens are that biconcave lens has negative refractive power.

7. imaging lens as claimed in claim 6, which is characterized in that the imaging lens meet the following conditions:

0.16 < TC₁₅/ f < 0.23；

Wherein, TC₁₅For first lens image side surface to the object side of the 5th lens in the spacing on the optical axis, f be this at As the effective focal length of camera lens.

8. the imaging lens as described in any one of claims 1 to 7, which is characterized in that the imaging lens meet the following conditions:

0.85 < TTL/f < 1；

Wherein, f is the effective focal length of the imaging lens.

9. imaging lens as claimed in claim 2, which is characterized in that the imaging lens meet the following conditions:

f₂₃₄<0；

Wherein, f₂₃₄For the combined effective focal length of second lens, the third lens and the 4th lens.

10. the imaging lens as described in any one of claims 1 to 7, which is characterized in that the imaging lens meet following item Part:

0.25 < BFL/f < 0.4；

Wherein, BFL is, in the spacing on the optical axis, f is the imaging near the image side surface of the lens of the image side to the imaging surface The effective focal length of camera lens.

11. the imaging lens as described in any one of claims 1 to 7, which is characterized in that the imaging lens meet following item Part:

0.0006≤TC₂₃/TTL≤0.005；

Wherein, TC₂₃For second lens image side surface to the object side of the third lens in the spacing on the optical axis.

12. the imaging lens as described in any one of claims 1 to 7, which is characterized in that the imaging lens meet following item Part:

70 < (TC₁₂+TC₃₄)/TC₂₃< 600；

TC₃₄< TTL/5；

Wherein, TC₁₂For first lens image side surface to the object side of second lens in the spacing on the optical axis, TC₂₃For this The image side surface of second lens is to the object side of the third lens in the spacing on the optical axis, TC₃₄For the image side surface of the third lens To the object side of the 4th lens in the spacing on the optical axis.

13. imaging lens as claimed in claim 2, which is characterized in that first lens have positive refractive power, second lens With negative refractive power, the 4th lens have negative refractive power.

14. the imaging lens as described in any one of claims 1 to 7, which is characterized in that the imaging lens meet following item Part:

0.2 < f₂₃₄/ f < 2；

Wherein, f₂₃₄For the combined effective focal length of second lens, the third lens and the 4th lens, f is the imaging lens The effective focal length of head.

15. imaging lens as claimed in claim 13, which is characterized in that further include the 5th lens be set to the third lens with Between 4th lens, the 5th lens have positive refractive power, and wherein the imaging lens meet the following conditions:

f₂₃₅₄<0；

Wherein, f₂₃₅₄For second lens, the third lens, the combined effective focal length of the 5th lens and the 4th lens.

16. imaging lens as claimed in claim 14, which is characterized in that the imaging lens meet the following conditions:

1 < f/TTL < 1.5；

TC₂₃< TTL/5；

0.07 < (TC₁₂+TC₂₃)/TTL < 0.25；

Wherein, f is the effective focal length of the imaging lens, TC₁₂For first lens image side surface to the object side of second lens In the air spacing on the optical axis, TC₂₃For second lens image side surface to the object side of the third lens on the optical axis Air spacing.

17. imaging lens as claimed in claim 13, which is characterized in that the imaging lens meet the following conditions:

R₄₁/R₁₁< 0；

Wherein, R₁₁For the radius of curvature of the object side of first lens, R₄₁For the radius of curvature of the object side of the 4th lens.

18. imaging lens as claimed in claim 13, which is characterized in that the imaging lens meet the following conditions:

(f₁+f₃)/f₂< 0；

Wherein, f₁For the effective focal length of first lens, f₂For the effective focal length of second lens, f₃For having for the third lens Imitate focal length.

19. imaging lens as claimed in claim 13, which is characterized in that further include aperture be set to the object side and this second thoroughly Between mirror, wherein the imaging lens meet the following conditions:

0.6 < SL/TTL < 1.1；

Wherein, SL be the aperture to the imaging surface in the spacing on the optical axis.