KR101389037B1 - 줌 렌즈 및 촬상장치 - Google Patents
줌 렌즈 및 촬상장치 Download PDFInfo
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- KR101389037B1 KR101389037B1 KR1020070042485A KR20070042485A KR101389037B1 KR 101389037 B1 KR101389037 B1 KR 101389037B1 KR 1020070042485 A KR1020070042485 A KR 1020070042485A KR 20070042485 A KR20070042485 A KR 20070042485A KR 101389037 B1 KR101389037 B1 KR 101389037B1
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- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/16—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
- G02B15/163—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group
- G02B15/167—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses
- G02B15/173—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses arranged +-+
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- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/009—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras having zoom function
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/145—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having five groups only
- G02B15/1451—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having five groups only the first group being positive
- G02B15/145113—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having five groups only the first group being positive arranged +-++-
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/145—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having five groups only
- G02B15/1451—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having five groups only the first group being positive
- G02B15/145129—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having five groups only the first group being positive arranged +-+++
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- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
- G02B27/646—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image compensating for small deviations, e.g. due to vibration or shake
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- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0037—Arrays characterized by the distribution or form of lenses
- G02B3/0062—Stacked lens arrays, i.e. refractive surfaces arranged in at least two planes, without structurally separate optical elements in-between
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- G—PHYSICS
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- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
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Abstract
Description
(3) Ngn ≥ 1.950
(3) Ngn ≥ 1.950
(3) Ngn ≥ 1.950
f | 1.00 | 2.145 | 4.600 | |
F No. | 3.53 | 3.72 | 4.36 | |
w | 31.85 | 15.21 | 7.19 | |
i | ri | di | ni | ni |
1 | 4.521 | 0.108 | 1.92286 | 20.9 |
2 | 1.864 | 0.366 | ||
3 | INF | 1.566 | 1.90366 | 31.3 |
4 | INF | 0.033 | ||
5 | 2.435 | 0.377 | 1.69350 | 53.2 |
6 | -4.384 | variable | ||
7 | 3.917 | 0.072 | 1.90366 | 31.3 |
8 | 1.258 | 0.143 | ||
9 | -4.071 | 0.067 | 1.78590 | 43.9 |
10 | 2.209 | 0.166 | 1.94595 | 18.0 |
11 | -8.770 | 0.059 | ||
12 | -1.639 | 0.072 | 1.77250 | 49.6 |
13 | 11.711 | variable | ||
14 | 1.767 | 0.227 | 1.58313 | 59.5 |
15 | -4.524 | variable | ||
16 | 1.779 | 0.378 | 1.58313 | 59.5 |
17 | -0.989 | 0.072 | 1.80610 | 33.3 |
18 | -1.771 | variable | ||
19 | 4.865 | 0.072 | 2.00069 | 25.5 |
20 | 0.980 | 0.267 | ||
21 | 1.496 | 0.301 | 1.48749 | 70.4 |
22 | -19.570 | 1.086 | ||
23 | INF | 0.145 | 1.51680 | 64.2 |
24 | INF | 0.133 | ||
IMG | INF | 0.000 |
f | 1.000 | 2.145 | 4.600 |
d6 | 0.131 | 1.166 | 1.825 |
d13 | 1.739 | 0.703 | 0.044 |
d15 | 1.500 | 1.055 | 0.563 |
d18 | 0.299 | 0.744 | 1.236 |
i | K | A4 | A6 | A8 | A10 |
5 | 0.000E+00 | -1.733E-02 | 1.274E-02 | -1.906E-02 | 1.215E-02 |
6 | 0.000E+00 | -8.574E-03 | 1.562E-02 | -2.047E-02 | 1.297E-02 |
14 | 0.000E+00 | 1.126E-02 | 2.681E-01 | -3.200E-01 | 2.668E+00 |
15 | 0.000E+00 | 6.765E-02 | 3.149E-01 | -5.333E-01 | 3.479E+00 |
16 | 0.000E+00 | -6.602E-02 | 8.112E-02 | -2.812E-01 | 4.830E-01 |
f | 1.00 | 2.37 | 5.60 | |
F No. | 3.66 | 4.05 | 4.74 | |
w | 34.47 | 15.08 | 6.49 | |
1 | 9.774 | 0.118 | 1.92286 | 20.9 |
2 | 3.014 | 0.445 | ||
3 | INF | 1.891 | 1.90366 | 31.3 |
4 | INF | 0.036 | ||
5 | 5.443 | 0.337 | 1.61800 | 63.4 |
6 | -8.819 | 0.018 | ||
7 | 2.572 | 0.394 | 1.58313 | 59.5 |
8 | -22.071 | variable | ||
9 | 4.210 | 0.078 | 1.90366 | 31.3 |
10 | 1.044 | 0.254 | ||
11 | -2.311 | 0.073 | 1.82730 | 38.7 |
12 | 1.377 | 0.301 | 1.94595 | 18.0 |
13 | -4.538 | 0.090 | ||
14 | -1.600 | 0.078 | 1.90366 | 31.3 |
15 | -8.424 | variable | ||
16 | 3.721 | 0.190 | 1.76802 | 49.2 |
17 | -4.342 | variable | ||
18 | 2.900 | 0.315 | 1.62263 | 58.2 |
19 | -1.421 | 0.082 | 1.84552 | 23.0 |
20 | -2.234 | variable | ||
21 | 4.710 | 0.078 | 1.95000 | 27.0 |
22 | 1.325 | 0.364 | ||
23 | 1.959 | 0.412 | 1.51680 | 64.2 |
24 | -1.911 | 0.085 | 1.83648 | 36.7 |
25 | -3.607 | 1.818 | ||
26 | INF | 0.055 | 1.51680 | 64.2 |
27 | INF | 0.145 | ||
IMG | INF | 0.000 |
f | 1.000 | 2.37 | 5.60 |
d8 | 0.11 | 1.01 | 1.63 |
d15 | 1.64 | 0.73 | 0.12 |
d17 | 1.63 | 1.04 | 0.53 |
d20 | 0.32 | 0.91 | 1.41 |
i | K | A4 | A6 | A8 | A10 |
7 | 0.000E+00 | -4.751E-03 | -5.877E-04 | 1.142E-03 | -1.469E-03 |
8 | 0.000E+00 | -2.924E-03 | 2.651E-03 | -1.941E-03 | -1.833E-04 |
16 | 0.000E+00 | -2.597E-02 | 8.521E-03 | 7.454E-02 | -1.856E-01 |
17 | 0.000E+00 | 3.906E-04 | -5.013E-03 | 1.433E-01 | -3.068E-01 |
18 | 0.000E+00 | -3.392E-02 | 6.077E-02 | -1.983E-01 | 2.478E-01 |
f | 1.00 | 1.92 | 3.70 | |
F no. | 3.64 | 3.94 | 4.67 | |
w | 32.25 | 17.03 | 8.95 | |
i | ri | di | ni | ni |
1 | 9.951 | 0.100 | 1.92286 | 20.9 |
2 | 2.270 | 0.250 | ||
3 | INF | 1.366 | 1.90366 | 31.3 |
4 | INF | 0.033 | ||
5 | 2.201 | 0.318 | 1.76802 | 49.2 |
6 | -4.843 | variable | ||
7 | 3.606 | 0.72 | 1.88300 | 40.8 |
8 | 0.983 | 0.193 | ||
9 | -1.584 | 0.072 | 1.73808 | 42.1 |
10 | 1.212 | 0.199 | 1.92286 | 20.9 |
11 | 7.458 | variable | ||
12 | 1.989 | 0.171 | 1.76802 | 49.2 |
13 | -16.649 | variable | ||
14 | 2.011 | 0.358 | 1.61881 | 63.9 |
15 | -1.027 | 0.075 | 1.90366 | 31.3 |
16 | -1.887 | variable | ||
17 | 2.498 | 0.075 | 2.00069 | 25.5 |
18 | 0.999 | 0.401 | ||
19 | 1.595 | 0.274 | 1.48749 | 70.4 |
20 | -6.673 | 1.230 | ||
21 | INF | 0.133 | 1.51680 | 64.2 |
22 | INF | 0.133 | ||
IMG | INF |
f | 1.00 | 1.92 | 3.70 |
d6 | 0.09 | 0.82 | 1.32 |
d11 | 1.32 | 0.59 | 0.10 |
d13 | 1.35 | 0.92 | 0.42 |
d16 | 0.33 | 0.76 | 1.26 |
i | K | A4 | A6 | A8 | A10 |
5 | 0.000E+00 | -2.369E-02 | 2.893E-02 | -2.535E-02 | -1.045E-02 |
6 | 0.000E+00 | -9.173E-03 | 4.693E-02 | -6.136E-02 | 1.457E-02 |
12 | 0.000E+00 | 6.826E-04 | -9.303E-02 | 4.268E-01 | -9.626E-01 |
13 | 0.000E+00 | 3.949E-02 | -8.812E-02 | 4.240E-01 | -1.013E+00 |
14 | 0.000E+00 | -4.382E-02 | 5.008E-02 | -1.429E-01 | 2.057E-01 |
수치 실시예 1 | 수치 실시예 2 | 수치 실시예 3 | |
조건식 (1) | -0.134 | -0.180 | -0.230 |
조건식 (2) | 44.900 | 100.047 | 44.900 |
조건식 (3) | 2.001 | 1.950 | 2.001 |
조건식 (4) | 0.623 | 0.554 | 0.721 |
조건식 (5) | 0.401 | 0.364 | 0.401 |
Claims (8)
- 복수의 렌즈 군으로 이루어지며, 각 렌즈 군 사이의 간격을 변화시킴으로써 변배를 행하는 줌 렌즈로서,상측(傷惻, image side)에 가장 가깝게 위치하는 최종 렌즈 군은, 음의 굴절력을 가지는 음부분 군과 상기 상측에 인접해서 배치되고 양의 굴절력을 가지는 양부분 군을 가지고,상기 양부분 군을 광축에 수직인 방향으로 시프트시켜서 상을 시프트시키고,하기 조건식 (1), (2), 및 (3)을 만족하는 줌 렌즈:(1) -0.30 < fgn/(Ngn·fT) < -0.05(2) νgis-νgn > 30(3) Ngn ≥ 1.950여기에서,fgn: 최종 렌즈 군 내의 음부분 군의 초점거리,Ngn: 최종 렌즈 군 내의 음부분 군의 평균 굴절률,fT: 망원단에 있어서의 전체 시스템의 초점거리,νgn: 최종 렌즈 군 내의 음부분 군의 합성 아베수,νgis: 최종 렌즈 군 내의 양부분 군의 합성 아베수.
- 제 1항에 있어서,상기 최종 렌즈 군 내의 음부분 군은 음의 굴절력을 가지는 물체측에 볼록면을 향한 음의 메니스커스 단일 렌즈로 구성되는 것을 특징으로 하는 줌 렌즈.
- 제 1항에 있어서,상기 최종 렌즈 군 내의 양부분 군은 양의 굴절력을 가지는 단일 렌즈 또는 1개의 접합 렌즈로 구성되고, 하기 조건식 (4)를 만족하는 것을 특징으로 하는 줌 렌즈:(4) 0.3 < fgis/fT < 1.2여기에서,fgis: 최종 렌즈 군 내의 양부분 군의 초점거리.
- 제 1항에 있어서,상기 최종 렌즈 군 내의 음부분 군은 제조시에 중심이 조정되는 중심 조정 렌즈로 하는 것을 특징으로 하는 줌 렌즈.
- 제 1항에 있어서,상기 최종 렌즈 군은 변배시에 고정되는 것을 특징으로 하는 줌 렌즈.
- 제 1항에 있어서,물체측으로부터 순차적으로 위치 한, 변배시에 고정된 양의 굴절력을 가지는 제1 렌즈 군과,음의 굴절력을 가지고, 광축상을 이동함으로써 변배작용을 실행하는 제2 렌즈 군과,변배시에 고정된 양의 굴절력을 가지는 제3 렌즈 군과,양의 굴절력을 가지고, 제2 렌즈 군 및 피사체의 이동에 의해 변동하는 상면 위치를 일정한 위치에 유지시키도록 광축상을 이동하는 제4 렌즈 군과,최종 렌즈 군으로서 양 또는 음의 굴절력을 가지는 제5 렌즈 군으로 이루어지고,상기 제1 렌즈 군은, 물체측으로부터 순차적으로 위치 한, 음의 굴절력을 가지는 단일 렌즈와, 광로를 굴곡하기 위한 반사 부재와, 양의 굴절력을 가지는 렌즈로 이루어진 것을 특징으로 하는 줌 렌즈.
- 줌 렌즈와,상기 줌 렌즈에 의해 형성한 광학상을 전기신호로 변환하는 촬상소자를 포함하는 촬상장치로서,상기 촬상장치는, 상기 촬상장치의 진동을 검출하는 카메라 진동 검출수단과,상기 카메라 진동 검출수단에 의해 검출한 촬상장치의 진동에 의한 화상 진동을 보정하기 위한 진동 보정각을 산출하고, 상기 줌 렌즈 내의 시프트 렌즈 군을 상기 진동 보정각에 근거하는 위치에 배치하기 위해 구동신호를 송출하는 카메라 진동 제어 수단과,상기 구동신호에 근거하여 상기 시프트 렌즈 군을 광축에 수직인 방향으로 시프트시키는 구동부를 구비하고,상기 줌 렌즈는, 복수의 렌즈 군으로 이루어지고, 각 렌즈 군 사이의 간격을 변화시킴으로써 변배를 행하고,상측(傷惻, image side)에 가장 가깝게 위치하는 최종 렌즈 군은, 음의 굴절력을 가지는 음부분 군과 상기 상측에 인접해서 배치되고 양의 굴절력을 가지는 양부분 군을 가지고,상기 양부분 군을 광축에 수직인 방향으로 시프트시켜서 상을 시프트시키고,하기 조건식 (1), (2), 및 (3)을 만족하고,(1) -0.30 < fgn/(Ngn·fT) < -0.05(2) νgis-νgn > 30,(3) Ngn ≥ 1.950상기 줌 렌즈의 최종 렌즈 군 내의 양부분 군은 상기 시프트 렌즈 군으로 하는 것을 특징으로 하는 촬상장치.
- 줌 렌즈와,상기 줌 렌즈에 의해 형성한 광학상을 전기신호로 변환하는 촬상소자를 포함하는 촬상장치로서,상기 촬상장치는, 상기 촬상장치의 진동을 검출하는 카메라 진동 검출모듈과,상기 카메라 진동 검출모듈에 의해 검출한 촬상장치의 진동에 의한 화상 진동을 보정하기 위한 진동 보정각을 산출하고, 상기 줌 렌즈 내의 시프트 렌즈 군을 상기 진동 보정각에 근거하는 위치에 배치하기 위해 구동신호를 송출하는 카메라 진동 제어 모듈과,상기 구동신호에 근거하여 상기 시프트 렌즈 군을 광축에 수직인 방향으로 시프트시키는 구동부를 구비하고,상기 줌 렌즈는, 복수의 렌즈 군으로 이루어지고, 각 렌즈 군 사이의 간격을 변화시킴으로써 변배를 행하고,상측(傷惻, image side)에 가장 가깝게 위치하는 최종 렌즈 군은, 음의 굴절력을 가지는 음부분 군과 상기 상측에 인접해서 배치되고 양의 굴절력을 가지는 양부분 군을 가지고,상기 양부분 군을 광축에 수직인 방향으로 시프트시켜서 상을 시프트시키고,하기 조건식 (1), (2), 및 (3)을 만족하고,(1) -0.30 < fgn/(Ngn·fT) < -0.05(2) νgis-νgn > 30,(3) Ngn ≥ 1.950상기 줌 렌즈의 최종 렌즈 군 내의 양부분 군은 상기 시프트 렌즈 군으로 하는 것을 특징으로 하는 촬상장치.
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JP2006164904A JP4929862B2 (ja) | 2006-05-09 | 2006-06-14 | ズームレンズ及び撮像装置 |
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JP2008083125A (ja) * | 2006-09-26 | 2008-04-10 | Olympus Imaging Corp | ズームレンズ及びそれを用いた撮像装置 |
JP2008172321A (ja) * | 2007-01-09 | 2008-07-24 | Olympus Imaging Corp | 電気的画像回復処理を行う撮像装置 |
JP4981568B2 (ja) * | 2007-07-23 | 2012-07-25 | 富士フイルム株式会社 | ズームレンズおよび撮像装置 |
JP5151577B2 (ja) * | 2008-03-14 | 2013-02-27 | ソニー株式会社 | ズームレンズ及び撮像装置 |
JP2010266505A (ja) * | 2009-05-12 | 2010-11-25 | Fujifilm Corp | ズームレンズおよび撮像装置 |
KR20110040245A (ko) * | 2009-10-13 | 2011-04-20 | 삼성전자주식회사 | 줌 렌즈계 및 이를 구비한 촬상 장치 |
JP2011128445A (ja) * | 2009-12-18 | 2011-06-30 | Sony Corp | ズームレンズ及び撮像装置 |
JP5415295B2 (ja) * | 2010-01-05 | 2014-02-12 | 富士フイルム株式会社 | ズームレンズおよび撮像装置 |
JP2012088618A (ja) * | 2010-10-21 | 2012-05-10 | Sony Corp | ズームレンズおよび撮像装置 |
WO2012063711A1 (ja) * | 2010-11-09 | 2012-05-18 | コニカミノルタオプト株式会社 | ズームレンズ及び撮像装置 |
WO2012090757A1 (ja) * | 2010-12-27 | 2012-07-05 | コニカミノルタオプト株式会社 | ズームレンズ及び撮像装置 |
JP5836654B2 (ja) | 2011-06-14 | 2015-12-24 | キヤノン株式会社 | ズームレンズ及びそれを有する撮像装置 |
JP5868186B2 (ja) * | 2012-01-06 | 2016-02-24 | キヤノン株式会社 | ズームレンズ及びそれを有する撮像装置 |
JP5893959B2 (ja) * | 2012-02-28 | 2016-03-23 | 株式会社タムロン | ズームレンズ |
JP6452404B2 (ja) | 2014-11-25 | 2019-01-16 | キヤノン株式会社 | ズームレンズ及びそれを有する撮像装置 |
EP3026481A1 (en) | 2014-11-28 | 2016-06-01 | Canon Kabushiki Kaisha | Zoom lens and image pickup apparatus including the same |
KR101740815B1 (ko) | 2015-10-14 | 2017-05-26 | 삼성전기주식회사 | 촬상 광학계 |
WO2018074413A1 (ja) * | 2016-10-18 | 2018-04-26 | 株式会社ニコン | 変倍光学系、光学装置、変倍光学系の製造方法 |
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US7652688B2 (en) | 2010-01-26 |
US20070285520A1 (en) | 2007-12-13 |
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