JP2948406B2 - camera - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a camera for photographing a plurality of screens simultaneously by a single release operation.

[0002]

2. Description of the Related Art A camera "TWING" (trade name) incorporating two lenses having different focal lengths and capable of switching between standard shooting and triple telephoto shooting has been provided by the present applicant in Showa 6.
It is manufactured and sold in 0 years. In this camera, one of two photographing lenses provided on the left and right sides of the front of the camera is selected by operating a lens switching dial, so that telephoto or standard (wide-angle) photographing can be arbitrarily performed on a 135-film half-size screen. It was made. Although two photographing lenses are provided, they are not photographed at the same time, and are exposed one by one to a film which is drawn out of the patrone in advance by prewinding and is spread in the vertical direction.

Further, a camera capable of simultaneously photographing a plurality of screens with a single release has been proposed for photographing various kinds of certificates such as a photograph for a passport and a photograph for a license. This camera also has as many photographing lenses as the number of screens to be photographed simultaneously, and the same number of optical systems. For example, Polaroid's “Mini Portrait Camera” (trade name) 40 manufactured and sold for business use
The type 2 is designed so that four screens can be simultaneously photographed on one film by the photographing lenses arranged in a “field” shape.

[0004]

However, when the photographer desires to photograph one scene at a telephoto and a wide angle, the photographer operates the lens switching dial to change the photographing lens and continuously photograph each scene. And one of them will miss a shooting opportunity. SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the related art, and has as its object to provide a camera capable of simultaneously photographing a plurality of screens having a change in focal length for each frame with a single release. I do.

[0005]

In order to achieve the above object, a camera according to the present invention uses a film and a pattone at the time of manufacture.
Film roll room and patone room
Along the film feed direction on the camera body
Two exposure openings are arranged in a straight line, and the
Two different photographic lenses with different focal lengths
You. For the lens with the longer focal length,
Behind the exposure aperture to bend the axis twice and guide it to the film
Later, two mirrors are provided, and one release operation
Operating the shutter blades, the two exposure apertures
It is opened and closed at the same time and sent by one film winding
Within the screen area of one frame
Two screens are projected at the same time. Two shooting lenses
Are composed of one-piece products to reduce costs.
It is also possible.

[0006]

Embodiments of the present invention will be described below with reference to the drawings. In FIG. 2 showing the appearance of the camera 2, the camera 2 includes a camera body 3 having a photographing mechanism and an outer case 4 for housing the camera body. As the outer case 4, a paper box or the like having an outer surface printed thereon is used. This outer case 4
Includes a shooting barrel 5, a viewfinder 6, a shutter button 7,
There are provided holes for exposing the display window 8 for displaying the number of remaining films and the winding knob 9, and photographing can be performed through these holes. On the inner side of the photographing tube 5, photographing lenses 10a and 10b are provided in parallel.
Although the outer case 4 described above is a paper box, it may be a plastic sheet or the like.

As shown in FIG. 1, the camera body 3 includes a front cover 12, a body base 13, and a back cover 14. The main body base 13 has an exposure frame 15 divided into two parts.
A film roll chamber 16 and a patrone chamber 17 are provided so as to sandwich a and 15b. Body base 13 and back cover 1
A film cartridge 20 for shielding and storing a film 19 having a width of 35 mm in advance during the assembly and a film roll 21 drawn from the cartridge 20 and formed into a roll form are provided between the film roll chamber 16 and the film roll chamber 16. And in the patrone chamber 17 respectively. Patrone room 16
The spool 20a of the patrone 20 is loaded in the
Engages with the fork of the hoisting knob 9 projecting from the upper wall of the patrone chamber 16. The patrone 20 and the film 19 used here are international standards (ISO: 1).
007-1979 version), a 35 mm film (135 film) containing a patrone, and the rear end of the film 19 is a spool 20 provided on the patrone 20.
a.

At the front of the main body 13, two photographing lenses 10 a and 10 b are mounted in a straight line along the film feeding direction, and the optical axes 22 a and 22 b of the respective lenses are mounted.
22b is parallel. Two photographing lenses 10a,
10b have different focal lengths, and the photographing lens 10a
Is capable of wide-angle photography, and the photographing lens 10b is capable of telephoto photography. In this embodiment, the photographing lens 10a and the photographing lens 10b are integrally formed on a single lens plate with a transparent resin such as acrylic.
b may be molded separately. Photographing lenses 10a and 10
Behind b, exposure openings 11a and 11b are provided, respectively, and these exposure openings 11a and 11b have the same inner diameter.

Behind the exposure openings 11a and 11b, a shutter device 23 is incorporated.
Is operated, the shutter device 23 is operated, the shutter blades 23a and 23b are simultaneously opened and closed by a well-known mechanism, and the film 19 is simultaneously exposed to two photographed images. Thereafter, when the winding knob 9 is rotated, the spool 20a is rotated via the fork, so that the exposed film 19 is wound into the cartridge 20. At the same time, the next film frame is supplied from the film roll 21 to the positions of the exposure frames 15a and 15b, and the sprocket rotates following the supply of the film 19. When one frame fixed length feed is detected by the rotation of the sprocket, the winding knob 9 is locked, and the preparation for the next photographing is completed.
In addition, the reverse rotation operation of the winding knob 9 is prevented by the reverse rotation preventing claw.

The photographic lenses 10a and 10b have different focal lengths as described above, and the photographic lenses 10b for telephoto photography.
Has a longer focal length. Therefore, mirrors 25a and 25b are provided behind the shutter device 23 for refracting the photographic light beam that has passed through the photographic lens 10b,
An image is appropriately formed on the film 19 surface.
The horizontal length (film feeding direction) of the exposure frames 15a and 15b is the same as the horizontal length of one frame of a 35 mm full-size screen. Screens 30a, 3 formed on the screen
As shown in FIG. 3, two frames 0b are exposed vertically and in parallel in a range of a screen of one full size frame of a film 19 having a width of 35 mm. An image obtained by wide-angle shooting is exposed on the shooting screen 30a, and an image obtained by telephoto shooting is exposed on the shooting screen 30b.

The operation of the camera 2 configured as described above will be described. When the photographer operates the winding knob 9 to confirm that the preparation for photographing is completed, the photographer first frames the subject at an appropriate position through the viewfinder 6 and presses the shutter button 7. When the shutter button 7 is operated, the shutter device 23 is driven and the shutter blade 2 is driven.
3a and 23b open and close simultaneously. The photographing light flux that has entered from the photographing lens 10a by opening and closing the shutter blade 23a is
The light passes through the exposure opening 11a around the optical axis 22a and is exposed on the photographing screen 30a on the film 19 surface. At the same time, the photographing light flux entering from the photographing lens 10b by opening and closing the shutter blades 23b passes through the exposure opening 11b around the optical axis 22b, and is exposed to the photographing screen 30b on the film 19 via the mirrors 25a and 25b.

After one exposure, the winding knob 9
Is operated to take up the exposed film 19 into the cartridge 20. When the sprocket that rotates following the supply of the film 19 detects one-frame fixed-length feeding, the winding knob 9
Is locked to inform that the next shooting preparation is completed.
The exposure is repeated as described above, and the film 1 having a width of 35 mm is formed.
The exposure screens 30a and 30b are exposed two frames at a time in the range of one full size frame 9 and "0" appears in the display window 8 for displaying the number of remaining films, indicating that all frames have been shot. After the photographing of all the frames is completed, if the camera 2 is brought to the developing dealer and the DPE is requested, the film development and the print processing are performed in the same manner as the conventional processing.
The print photograph 31 as shown in FIG.

In the print photograph 31, two print screens 31a and 31b at the same moment are imprinted, and on the left, a print screen 3 photographed by the photographing lens 11b for telephoto photographing.
1b, a print screen 31a photographed by the photographing lens 11a for wide-angle photographing is positioned to the right. Print screen 31b
In, a close-up is performed so that the expression of the subject can be easily understood, and the print screen 31a is taken with the background largely taken in. For this reason, if the camera according to the present invention is used in a trip or the like, it is possible to effectively capture the scenery of the subject at the same moment as the scenery of the travel destination. In addition, when used for photographing during the play of an athlete, the overall situation in contact play and the expression of the player can be photographed at the same time, and a powerful print photograph can be obtained.

As described above, the present embodiment has been described in such a manner that one full-size screen of the film 19 of 35 mm width is halved and two frames are photographed, but the vertical length of the 35 mm full-size screen is set to the upper side. And lower one side each 5.3mm
The image may be taken while being shielded by the width. As shown in FIG. 5, the photographing screens 32a and 32b in this case fall within the range of a screen of one full size frame of the film 19 having a width of 35 mm.
Each frame is exposed horizontally and in parallel. In this case, the dimensions of the two screens arranged horizontally may not be the same, and may be configured so that the tele side is substantially square and the wide side is horizontally long. By changing the positions of the photographing lenses 10a and 10b and changing the shapes of the exposure frames 15a and 15b, the upper right corner of the photographing screen 33a exposed by wide angle photographing is exposed by telephoto photographing as shown in FIG. It is also possible to imprint the photographing screen 33b to be taken.

[0015]

As described above, according to the camera of the present invention, since the photographing is performed simultaneously with the two photographing lenses having different focal lengths, an image having a change every plural screens can be obtained. If the camera according to the present invention is used for a commemorative photo on a trip or the like, a landscape shot with a wide-angle lens,
This is very effective because the expression of the subject photographed with the telephoto lens can be photographed at the same time and can be observed with one printed photograph. In addition, if you shoot a sports game, you can capture the powerful form of the athlete's body or a collision with another athlete and the serious expression of the athlete in a single print photo. it can. In addition, two shooting
The manufacturing cost is reduced and the assembly is
This can contribute to simplifying the setting process.

[Brief description of the drawings]

FIG. 1 is a sectional view of a camera body of a camera embodying the present invention.

FIG. 2 is an external perspective view of a camera embodying the present invention.

FIG. 3 is an explanatory diagram showing a range exposed to a film by the camera shown in FIG. 2;

FIG. 4 is an explanatory diagram showing a state in which an image photographed by the camera shown in FIG. 2 is printed.

FIG. 5 is an explanatory diagram showing a range exposed to a film by a camera of another embodiment different from the camera shown in FIG. 2;

FIG. 6 is an explanatory view showing a range exposed to a film by a camera according to still another embodiment.

[Explanation of symbols]

 2 Continuous Shooting Camera 3 Camera Body 7 Shutter Button 9 Winding Knob 10a, 10b Photographic Lens 11a, 11b Exposure Aperture 19 Film 20 Patrone 22a, 22b Optical Axis 23a, 23b Shutter Blade 30a, 30b Photographing Screen 31 Print Photograph

Claims (2)

(57) [Claims] An image pickup mechanism is provided.
A film in which an ilme and a patrone are stored in advance
Camera body with muror room and patrone room
And two exposure openings provided in the camera body and arranged in a straight line along the film feeding direction .
Different focal lengths are built in front of the exposure aperture, respectively.
Two taking lenses and the focus of these taking lenses
Position the optical axis of the longer shooting lens behind the exposure aperture.
In Bei and two mirrors guiding folded twice into a film, and a shutter blade for opening and closing the two exposure opening simultaneously
For example, a camera which is characterized that you imprint the same time two screens by the two imaging lenses in the range of 1 frame screen sent by winding a single film. 2. The camera according to claim 1, wherein said two photographing lenses are integrally formed.