JP2000338571A - Stroboscope device, method for re-using the same, and film unit with lens - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make securable a stable ON-OFF operation and make preventable a strobotron from being assembled while being accompanied with the a wrong polarity by providing a switch conduction part with such as structure that a resist layer is formed on a conductive pattern, and exposing a soldering layer lined with the conductive pattern on the upper surface of the resist-film. SOLUTION: As for two switch conduction parts 23 of a printed board 21, firstly, a resist layer is formed by masking the part corresponding to the switch conduction parts 23 on a conductive pattern 24. Then, the masking is removed to form a soldering layer 26 lined with the conductive patterns 24 so that the soldering layer is exposed on the upper face of the resist layer. Such a structure at the conductive patterns 24 are formed on the surface including the peripheries of the switch conduction parts 23 makes it possible for a main switch piece to come in and off contact with the solder layer 26 to turn on-off the stroboscopic circuit, and this prevents the conductive patterns 24 from wearing by the resist layer. Thus, durability of the switch conduction parts 23 can be improved.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a strobe device, particularly to a strobe device suitable for a film unit with a lens loaded with photographic film in advance, and a film unit with a lens with a strobe device. The present invention relates to an intended strobe device and a film unit with a lens.

[0002]

2. Description of the Related Art Conventionally, in a strobe device of a film unit with a lens, as shown in FIG. 14, a closed circuit is formed on a strobe substrate 101 by contacting and separating with a contact end of a main switch piece 110 for strobe charging operation. Alternatively, a switch conductive pattern 102 for turning on / off the strobe circuit by opening the closed circuit is provided.

The switch conductive pattern 102 is shown in FIG.
As shown in FIG. 5, the conductive layer 10 adjacent to and separated from the strobe substrate 101 by the patterning molding process
2 and a solder layer 103 is further provided on the conductive layer 102.

[0004]

However, in the case of such a conventional switch conductive pattern 102, the solder layer 1 is repeatedly operated by repeatedly operating the main switch piece 110.
Further, the conductive layer 102 is worn away, and in an extreme case, the conductive layer 102 is cut off from the middle, so that the on / off operation of the strobe circuit by the main switch piece 110 does not function properly.

In addition, in the case of a conventional strobe device,
At the time of assembling the strobe device, there is a problem in that an arc tube such as a xenon lamp having a positive or negative polarity is attached to the arc tube unit at an incorrect polarity. The operating battery that has been removed may fall out of the battery mount, or the main capacitor for strobe lighting may be exposed and damaged by contact with the operating battery during the assembly stage because it is connected to the strobe device. Accordingly, the present invention provides a strobe device capable of securing a stable on / off operation and preventing assembly with an erroneous polarity of an arc tube, and a reuse device capable of reusing the strobe device. Method and a film unit with lens that can stably support the main condenser and prevent scratches. It is intended to.

[0006]

According to the first aspect of the present invention,
In a strobe device including a strobe substrate having a switch conductive portion for turning on and off a strobe circuit in contact with and separating from a main switch piece, the switch conductive portion is formed by forming a resist layer on a conductive pattern, and a solder layer connected to the conductive pattern is formed by resist. It is characterized by having a structure exposed on the upper surface of the layer. According to the invention, the switch conductive portion provided on the strobe substrate has a structure in which a resist layer is formed on a conductive pattern and a solder layer connected to the conductive pattern is exposed on the upper surface of the resist layer. Even after repeated use, the main switch piece comes into contact with and separates from the solder layer to turn on and off the strobe circuit, and the resist layer can prevent abrasion of the conductive pattern, thereby improving the durability of the switch conductive portion. As a result, a stable on / off operation of the strobe device can always be ensured.

According to a second aspect of the present invention, in the strobe device according to the first aspect, a curved surface portion is provided in a contact area of the main switch piece with a switch conductive portion.

According to the present invention, since the curved portion is provided in the contact area of the main switch piece with the switch conductive section, the contact between the contact area of the main switch piece and the switch conductive section can be made without cutting the switch conductive section. This can also improve the durability of the switch conductive part.

According to a third aspect of the present invention, in the strobe device according to the first or second aspect, the main switch piece is
A soldering portion for the strobe substrate has a hole for stopping the flow of solder.

According to the present invention, the hole for preventing the flow of solder is provided in the soldering portion of the main switch piece to the strobe board, so that the main switch piece is soldered to a predetermined position on the strobe board. In addition, since the solder is stopped at the hole, it is possible to prevent a change in the elastic force of the main switch piece due to the solder, thereby avoiding disturbing the displacement function for the switch operation of the main switch piece.

According to a fourth aspect of the present invention, there is provided a strobe device including a strobe substrate having a switch conductive portion for turning on and off a strobe circuit by coming into contact with and separating from a main switch piece. Wherein one terminal is longer than the other terminal, and the distance from the edge of the arc tube on the one terminal side to the connection receiving portion on the one terminal side is a distance that the other terminal cannot reach. Is what you do.

According to the present invention, the length of both terminals of the arc tube of the strobe device is made longer at one of the terminals than at the other terminal, and the connection between the end of the arc tube at the one terminal side and the terminal at the one terminal side. Since the distance to the receiving portion is set to a distance that the other terminal cannot reach, the difference in the length of the two terminals allows the polarity of the arc tube to be identified without marking or the like, and that the arc tube can be identified. Assembly with incorrect polarity can be prevented.

According to a fifth aspect of the present invention, there is provided a film unit with a lens including the strobe device according to any one of the first to fourth aspects.

According to the present invention, the durability of the switch conductive portion is improved, and the film unit with the lens or the displacement of the main switch piece for the switch operation, which can always ensure the stable ON / OFF operation of the strobe device. A lens-equipped film unit that can avoid interfering with the function or a lens-equipped film unit that can identify the polarity of the arc tube without marking etc. and prevent assembly with incorrect polarity of the arc tube Can be provided.

According to a sixth aspect of the present invention, there is provided a method of reusing a strobe device including a strobe substrate having a switch conductive portion for turning on and off a strobe circuit in contact with and separated from a main switch piece, wherein a solder layer is formed on a conductive pattern. In the part of the switch conductive part that was cut off with the main switch piece,
The method includes a step of forming a solder layer again.

According to the present invention, it is possible to provide a reuse method in which a strobe device can be reused by forming a solder layer again on a portion shaved by a main switch piece.

According to a seventh aspect of the present invention, there is provided a film unit with a lens in which an unexposed film is stored in advance and an operation battery is mounted between an anode contact piece and a cathode contact piece which are arranged opposite to a battery mounting portion. The anode contact piece has a first bent piece whose bent most protruding portion contacts the end face of the anode rod of the battery on the insertion direction side from the longitudinal center of the battery, and a second folded piece which contacts the outer side face of the anode rod. And a piece of music.

According to the present invention, the anode contact piece for the operation battery is bent in the first bending direction in which the bent most protruding portion contacts the end face of the anode rod of the battery from the center in the length direction of the battery in the insertion direction. And a second bent piece that contacts the outer side surface of the anode bar.

Therefore, with respect to the anode rod end face of the battery,
The first bent piece of the anode contact piece for the operation battery causes the bent most protruding portion to contact at a position on the insertion direction side from the center in the length direction of the battery, so that the battery can be moved in the insertion direction side. The battery can be prevented from slipping out, and the second bent piece can be prevented from slipping out of the anode bar by contacting the outer side surface of the anode bar of the battery for operation.

According to an eighth aspect of the present invention, there is provided a lens-equipped film unit having an unexposed film and a strobe device, wherein the film unit is provided with a slot for an operation battery and is connected to the strobe device. A battery chamber having a partition covering at least a part of the main capacitor is formed.

According to the present invention, since the partition for covering at least a part of the adjacent main capacitor is provided in the battery chamber, the main capacitor can be protected by the partition, and the main capacitor is not damaged. Can be prevented.

According to a ninth aspect of the present invention, in the film unit with the lens according to the eighth aspect, a capacitor supporting recess having a shape corresponding to the outer periphery of the main capacitor is formed in the partition of the battery chamber. Things.

According to the present invention, the main capacitor can be stably supported by the supporting recess formed in the partition of the battery chamber.

The invention according to claim 10 is the invention according to claim 8 or 9
In the film unit with the lens described above, the partition wall of the battery chamber has a length equal to or longer than the length of the main capacitor.

According to the present invention, since the partition wall of the battery chamber has the above-mentioned length, the main capacitor can be protected more sufficiently and the supporting state can be more stabilized.

[0026]

(Embodiment 1) Embodiment 1 of a film unit with a lens according to the present invention will be described with reference to FIGS.

FIG. 1 is an exploded perspective view of a lens-equipped film unit having a strobe device, FIG. 2 is a front view of a lens-equipped film unit without an exterior component when flash photography is not performed, and FIG. FIG. 3 is a front view of the film unit with a lens with the exterior parts removed. FIG. 4 is a cross-sectional view of a film unit with a lens, and FIG. 5 is a vertical cross-sectional view of the film unit with a lens.

In FIG. 1, 1 is a unit body holding a film and mounted with various photographing mechanisms such as a shutter unit, a strobe unit, and a winding mechanism, 2 is a front cover for covering the unit body 1 from the front, and 3 is The rear cover covers the unit body 1 from behind.

The unit main body 1 includes a strobe unit 20 including a light emitting unit 40 and an operation member 4, and by manually operating the operation member 4, the strobe unit 20, which is a strobe device, is activated as described later. And the aperture is switched.

The operation member 4 is superimposed on the strobe unit 20, and by further attaching the front cover 2,
The operation member 4 is held between the unit main body 1 and the front cover 2 together with the strobe unit 20, and is slidable in the left-right direction.

The operating member 4 has a knob 4a, and the knob 4a protrudes from an elongated hole 2a provided in the front cover 2. Therefore, the knob 4a is moved right and left with a fingertip to move the operating member 4 as shown in FIGS. It can be slid to two positions on the left and right shown in FIG.

The unit main body 1 has two parallel
Although two ribs 1a are provided and are not shown, two ribs similarly provided on the back surface of the operation member 4 are fitted with the rib 1a, and the operation member 4 is guided by the rib 1a and slides smoothly. It has become.

On a printed circuit board 21 which is a strobe board of the strobe unit 20, a main switch piece 2 for turning on the power of the strobe circuit and activating the strobe circuit is provided.
2 are arranged. The main switch piece 22 is formed of a conductive metal plate and has a bifurcated contact portion 22 at the tip.
a is formed.

When the main switch piece 22 is pressed by a rib 4b provided on the back surface of the operating member 4 as shown in FIG. 4, the bifurcated contact portion 22a at the tip of the main switch piece 22 is printed. And the strobe circuit is turned on.

That is, when the operating member 4 is slid to the left as shown in FIG. 2, the main switch piece 22 separates from the switch conductive portion 23, and the strobe circuit is turned off.
Is slid to the right as shown in FIG. 3 to project the right end, the main switch piece 22 comes into contact with the switch conductive portion 23, and the strobe circuit is turned on.

Next, the internal structure of the film unit with a lens will be described with reference to FIGS. A reel 5 for winding a film is disposed in a roll film chamber 1c provided at one end of the unit body 1, and a patrone P is loaded in a patrone chamber 1d provided at the other end.

Before the photographing, the unexposed film F pulled out from the cartridge P is all wound around the reel 5, and at the time of photographing, the exposed film F is wound by winding the winding knob 6 shown in FIG. Is wound into the patrone P one frame at a time.

L1 and L2 are photographing lenses, and 1e is an exposure section for exposing a subject image on the film F by the photographing lenses L1 and L2 to form a photographing screen. A photographic image frame 1f having a predetermined opening in a frame shape is formed on the photographic lenses L1 and L2 side from the exposure unit 1e. This shooting frame 1f
Is mounted with a shutter unit 10.

As shown in FIGS. 6 to 8, the two switch conductive portions 23 of the printed circuit board 21 are formed by masking a portion corresponding to the switch conductive portion 23 on the conductive pattern 24 to form a resist layer 25. After that, the masking is removed and the solder layer 26 connected to the conductive pattern 24 is formed so as to be exposed on the upper surface of the resist layer 25.

Due to the structure in which the conductive pattern 24 is formed on the surface including the periphery of the switch conductive portion 23, even when the main switch piece 22 is repeatedly operated, the main switch piece 22 comes into contact with and separates from the solder layer 26 to strobe light. Since the circuit is turned on and off, the resist layer 25 can prevent the conductive pattern 24 from being worn, thereby improving the durability of the switch conductive portion 23 and always ensuring the stable on / off operation of the strobe unit 20. be able to. Further, even if the solder layer 26 is divided by the main switch piece 22, if the main switch piece 22 comes into contact with one of the divided solder layers 26, the on / off operation can be ensured.

Even when the solder layer 26 is divided in this way, when the strobe unit 20 is reused after the film of the lens-equipped film unit is taken out, the solder layer 26 is again applied to the portion shaved by the main switch piece 22. By adopting the forming process, the switch conductive portion 23 can be reused as a new switch conductive portion.

As shown in FIG. 8, a contact portion 22 of the main switch piece 22 with a switch conductive portion 23 is provided.
By providing the curved surface portion 22b on a, the contact between the contact portion 22a of the main switch piece 22 and the switch conductive portion 23 can be performed without cutting the switch conductive portion 23, and the durability of the switch conductive portion 23 is improved. be able to. It is also effective to chamfer the edge of the contact portion 22a of the main switch piece 22.

Further, as shown in FIG. 8, a hole 22d for stopping the flow of solder is provided in a soldering portion 22c of the main switch piece 22 with a predetermined pattern on the printed circuit board 21, thereby providing a main switch piece. 2
2 is soldered to the printed circuit board 21, even if the amount of solder is large, the solder is not
2, so that the solder is prevented from flowing to the contact portion 22a side, so that it is possible to avoid disturbing the elastic displacement function of the main switch piece 22 for the switching operation. .

Embodiment 2 Next, Embodiment 2 of the present invention will be described with reference to FIGS.

In the second embodiment, the light emitting section unit 40 includes the light emitting tube 41 incorporated in the strobe storage section 42 and the connection conductor contacting one electrode terminal (electrode bar) 41a of the light emitting tube 41. 44a, a connection conductor 44b that contacts the other electrode terminal (electrode bar) 41b of the arc tube 41, a connection conductor 45 that contacts the tube surface (trigger electrode) of the arc tube 41, and strobe light from the arc tube 41. And a transmission window portion 46 that transmits light.

That is, the arc tube 41 is connected to the printed circuit board 21 via the connection conductors 44a, 44b and the connection conductor 45 to form a strobe circuit.

The connection conductors 44 and 45 are each formed by bending a wire member made of, for example, phosphor bronze having a predetermined rigidity into a predetermined shape.
It has a diameter of approximately 0.3 mm to 0.5 mm.

The arc tube 41 is, for example, a xenon lamp formed in a straight tube shape. In the second embodiment, the dimensions of one electrode terminal 41a and the other electrode terminal 41b are set as follows. ing.

That is, as shown in FIG. 11, the length of one electrode terminal 41a of the arc tube 41 is a, the length of the other electrode terminal 41b is b, and the other electrode terminal 41b is
When the dimension from the edge of the arc tube 41 on the side to the connection conductor 44b, which is the connection receiving portion of the other electrode terminal 41b, is c, the relationship is a <c <b.

Thus, the two electrode terminals 41a, 4a
Due to the difference in the length of 1b, the polarity of both electrode terminals 41a, 41b can be identified without marking the polarity of the arc tube 41.

In addition, if both terminals 4 of the arc tube 41 are
In the case where the first and second electrode terminals 41a and 41b are installed in the strobe storage section 42 in the reverse arrangement, the length a of the one electrode terminal 41a
Is smaller than the dimension c, so that one of the electrode terminals 41
a does not reach the connection conductor 44b. Thereby, the electrode terminals 41a, 41b in the arc tube 41
Can be prevented from being assembled with the wrong polarity.

Third Embodiment Next, a third embodiment of the present invention will be described with reference to FIGS.

In the third embodiment, as shown in FIGS. 12 and 10, the battery is inserted in the direction of the arrow into a battery mounting portion 50 including an anode contact piece 51 and a cathode contact piece 53 formed of an elastic conductive member. The anode contact piece 51 that contacts the anode rod 61 of the operation battery 60 to be operated is
A first bent piece 51a in which the U-shaped bent most protruding portion 51b is in contact with the end face of the battery 60 at a position in the insertion direction from the longitudinal center (indicated by a line segment L) of the battery 60; Second bent piece 52 having bent portion 52b contacting the outer side surface of anode rod 61
a is formed in a forked shape.

With this configuration, the anode rod 6 of the battery 60 is
The first bent piece 51 of the anode contact piece 51 is provided to one end face.
By making the bent most protruding portion 51b elastically contact the position in the insertion direction from the center in the length direction of the battery 60, it is possible to prevent the battery 60 from slipping out in the insertion direction.

The first bent piece 51a and the second bent piece 52
a is bent toward the rear surface side of the substrate, but the second bent piece 52a elastically contacts the rear surface (outer side surface) of the anode rod 61 of the battery 60 with the substrate to regulate the position. Thus, it is possible to prevent the anode bar of the battery 60 from coming off on the back surface side (outward direction) of the substrate.

(Fourth Embodiment) Next, a fourth embodiment of the present invention will be described with reference to FIG.

In the fourth embodiment, as shown in FIG. 13, a battery chamber 70 for inserting and removing the battery 60 from the insertion opening 71 in the lower part of the unit body 1 instead of the battery mounting portion 50.
The feature is that it is provided.

The battery chamber 70 is provided with a partition wall 72 which defines a space between adjacent main capacitors C in a parallel state and covers at least a part of the outer periphery of the main capacitor C.
The main capacitor C is configured to be hidden when viewed from the side where the rear cover 3 is attached to the unit body 1. Thereby, when the battery 60 is inserted into and removed from the insertion opening 71, a situation in which the jig for inserting and removing the battery 60 accidentally contacts the outer periphery of the main capacitor C and is damaged is avoided.

As shown in FIG. 13, an arc-shaped capacitor supporting concave portion 73 having a shape corresponding to the outer periphery of the main capacitor C is formed in the partition wall 72 of the battery chamber 70.

Thus, the supporting recess 73 is brought into close contact with the outer periphery of the main capacitor C, and the main capacitor C is supported in a stable state.

The partition 72 of the battery chamber 70 has a length equal to or greater than the length of the main capacitor C, so that the main capacitor C is damaged by the jig when the battery 60 is removed from the battery chamber 70. In addition, by providing the supporting recess 73 over the entire length of the partition wall 72, the main capacitor C can be supported in a more stable state.

[0062]

According to the first aspect of the present invention, it is possible to provide a strobe device capable of improving the durability of the switch conductive portion and constantly ensuring a stable on / off operation.

According to the second aspect of the present invention, it is possible to provide a strobe device capable of improving the durability without cutting the switch conductive portion.

According to the third aspect of the present invention, it is possible to provide a strobe device capable of preventing the influence of solder on elasticity and ensuring the function of the main switch piece.

According to the fourth aspect of the present invention, the polarity of the arc tube can be identified without marking or the like due to the difference in the lengths of both terminals, and the arc tube is prevented from being assembled with wrong polarity. A strobe device capable of being provided can be provided.

According to the fifth aspect of the present invention, there is provided a film unit with a lens capable of always ensuring a stable ON / OFF operation of a strobe device, or a disturbing function of a displacement function for switching operation of a main switch. A film unit with a lens that can avoid the problem, or the polarity of the arc tube can be identified without marking, etc., and
It is possible to provide a film unit with a lens that can prevent the arc tube from being assembled with erroneous polarity.

According to the sixth aspect of the present invention, it is possible to provide a reuse method capable of reusing a strobe device.

According to the seventh aspect of the present invention, it is possible to provide a film unit with a lens capable of preventing the battery from being pulled out in the direction of insertion of the battery and in the outward direction crossing the direction.

According to the eighth aspect of the present invention, it is possible to provide a lens-equipped film unit capable of preventing the main condenser from being damaged.

According to the ninth aspect of the present invention, it is possible to provide a film unit with a lens capable of supporting the main condenser in a stable state.

According to the tenth aspect of the present invention, it is possible to provide a film unit with a lens which can protect the main condenser more sufficiently and stabilize the supporting state.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a lens-equipped film unit according to Embodiment 1 of the present invention.

FIG. 2 is a front view of the lens-equipped film unit according to the first embodiment with the exterior component removed when flash photography is not performed.

FIG. 3 is a front view of the lens-equipped film unit with the exterior components removed when performing flash photography according to the first embodiment.

FIG. 4 is a cross-sectional view of the film unit with a lens according to the first embodiment.

FIG. 5 is a longitudinal sectional view of the film unit with a lens according to the first embodiment.

FIG. 6 is a partially enlarged perspective view showing a switch conductive portion in the film unit with a lens according to the first embodiment.

FIG. 7 is a cross-sectional view of the switch conductive unit according to the first embodiment of the present invention.

FIG. 8 is a partially enlarged perspective view showing a switch conductive portion and a main switch piece in the film unit with a lens according to the first embodiment.

FIG. 9 is a partial perspective view of a light emitting unit according to Embodiment 2 of the present invention.

FIG. 10 is a strobe unit according to a second embodiment of the present invention;
It is a perspective view of a battery mounting part.

FIG. 11 is an explanatory diagram showing a dimensional relationship between terminals and connection conductors of the arc tube according to the second embodiment of the present invention.

FIG. 12 is an enlarged view of a part of a battery and an anode contact piece according to a third embodiment of the present invention.

FIG. 13 is a sectional view showing a battery chamber provided at a lower portion of a unit main body according to Embodiment 4 of the present invention.

FIG. 14 is a partially enlarged perspective view of a printed circuit board of a conventional flash device.

FIG. 15 is a sectional view of a switch conductive portion provided on a printed circuit board of a conventional flash device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Unit main body 2 Front cover 3 Rear cover 4 Operation member 10 Shutter unit 20 Strobe unit 21 Printed circuit board 22 Main switch piece 22a Contact part 22b Curved surface part 22c Soldering part 22d Hole 23 Switch conductive part 24 Conductive pattern 25 Resist layer 26 Solder Layer 40 Light emitting part unit 41 Light emitting tube 41a Electrode terminal 41b Electrode terminal 42 Strobe storage part 44 Connection conductor 45 Connection conductor 46 Transmission window part 50 Battery mounting part 51 Anode contact piece 51a First bent piece 51b Bend most protruding part 52a Second bent piece 53 Cathode contact piece 60 Battery 61 Anode rod 70 Battery compartment 71 Insertion / removal opening 72 Partition wall 73 Capacitor support recess 73 Support recess

Claims (10)

[Claims] 1. A strobe device including a strobe substrate provided with a switch conductive portion for turning on and off a strobe circuit in contact with and separated from a main switch piece, wherein the switch conductive portion is formed by forming a resist layer on a conductive pattern, A flash device having a structure in which a continuous solder layer is exposed on an upper surface of a resist layer. 2. The strobe device according to claim 1, wherein a curved surface portion is provided in a contact area of the main switch piece with the switch conductive portion. 3. The flash device according to claim 1, wherein the main switch piece has a hole for stopping a flow of solder at a soldering portion to the flash substrate. 4. A strobe device including a strobe substrate having a switch conductive portion for storing an unexposed film in advance and for turning on and off a strobe circuit in contact with and separated from a main switch piece, wherein both ends of an arc tube of the strobe device are provided. The length of the terminal is such that one terminal is longer than the other terminal, and the distance from the edge of the arc tube on the one terminal side to the connection receiving part on the one terminal side is a distance that the other terminal cannot reach. A strobe device characterized by: 5. A film unit with a lens, comprising the strobe device according to claim 1. 6. A method for reusing a strobe device including a strobe substrate having a switch conductive portion for turning on and off a strobe circuit in contact with and separating from a main switch piece, wherein a main portion of the switch conductive portion having a structure in which a solder layer is formed on a conductive pattern is provided. A method for reusing a strobe device, comprising a step of forming a solder layer again on a portion shaved by a switch piece. 7. An unexposed film is stored in advance, and an operation battery is connected to an anode contact piece opposed to a battery mounting portion.
In the film unit with a lens mounted between the cathode contact pieces, the anode contact piece is a first bend in which the bent most protruding portion contacts the end surface of the anode rod of the battery from the center in the length direction of the battery in the insertion direction. A film unit with a lens, comprising: a piece; and a second bent piece that contacts an outer side surface of the anode bar. 8. A film unit with a lens in which an unexposed film is stored in advance and has a strobe device, wherein at least one of adjacent main capacitors connected to the strobe device is provided with a slot for an operation battery. A film unit with a lens, wherein a battery chamber having a partition covering the portion is formed. 9. The lens-equipped film unit according to claim 8, wherein a concave portion for supporting a capacitor having a shape corresponding to an outer periphery of the main capacitor is formed in a partition wall of the battery chamber. 10. The lens-fitted film unit according to claim 8, wherein the partition of the battery chamber has a length equal to or longer than the length of the main capacitor.