JPH08122914A - Camera for certification photograph - Google Patents

Abstract

PURPOSE: To properly set the position of a finder objective part and to reduce deviation between a photographing range by a twin photographing lens or a quadruple photographing lens and a visual field in a finder as for a camera for certification photograph provided with the twin photographing lens capable of simultaneously photographing two frames or the quadruple photographing lens capable of simultaneously photographing four frames. CONSTITUTION: The camera for certification photograph 1 is provided with the twin or the quadruple photographing lenses 3,... and the finder objective part 7 is installed between the lenses 3,... By installing the object part 7 between the lenses 3,... the deviation between the photographing range and the visual field in the finder is reduced. Besides, a finder eyepiece part is provided at a proper position from the objective part 7 installed between the lenses 3,... by using mirrors 11 and 17 or a prism.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a camera for identification photography having a two-lens photographing lens capable of simultaneously photographing two frames or a four-lens photographing lens capable of simultaneously photographing four frames.

[0002]

2. Description of the Related Art A twin-lens camera equipped with a twin-lens shooting lens capable of simultaneously shooting two frames or a four-lens camera equipped with a four-lens shooting lens capable of simultaneously shooting four frames is for a certification photograph for taking a certificate photograph. Conventionally used as a camera. In such an ID photo camera, conventionally, a viewfinder has been provided on the side surface of the camera body or the like (see, for example, Japanese Laid-Open Patent Publication No.
-35537 gazette).

[0003]

However, in the ID photo camera in which the viewfinder is provided on the side surface of the camera body as in the prior art, since the taking lens and the viewfinder optical system are at different positions, the two-lens or four-lens system is used. There was a gap (parallax) between the shooting range of the shooting lens and the field of view in the viewfinder. Such a shift (parallax) between the shooting range and the field of view in the viewfinder is more remarkable as the shooting lens is farther from the viewfinder.

Therefore, an object of the present invention is to prove that the position of the finder objective portion is properly set so that the deviation between the photographing range by the two-lens or four-lens photographing lens and the field of view in the finder can be reduced. To provide a camera for photography.

[0005]

In order to solve the above-mentioned problems, the present invention provides a camera for identification photography having a two-lens or four-lens photographing lens, in which a viewfinder objective is provided between the two-lens or four-lens photographing lenses. It is characterized by the installation of parts.

[0006]

According to the present invention, since it is a camera for a certification photograph in which the viewfinder objectives are installed between the two-lens or four-eye taking lenses, the distance between the taking lenses and the viewfinder objectives becomes small and parallax is reduced. . Further, by disposing the finder objective section in the middle of each photographing lens, the deviation between the photographing lenses becomes even.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the ID photo camera according to the present invention will be described below with reference to FIGS. First, FIG. 1 and FIG. 2 show a four-lens camera 1 as a first embodiment of a camera for identification photographs to which the present invention is applied. This four-lens camera 1 is provided with four camera lenses 3, 3, 3, 3 for up, down, left, and right on a camera body 2, and a grip portion 4 on one side (the left hand side of the photographer) of the camera body 2. The shutter button 5 and the finder 6 are provided on the other side of the camera body 2 (on the right hand side of the photographer).

In this finder 6, the finder objective section 7 is installed at exactly the middle portion (center portion) of the photographing lenses 3, 3, 3, 3 of the four upper, lower, left and right eyes, and the finder eyepiece section 8 of the camera body 2 is provided. It has a finder case 9 installed on the side surface and connecting the finder objective 7 and the finder eyepiece 8. In the finder case 9, finder optical system components are arranged. That is, the objective lens 10 and the first mirror 11 are sequentially arranged in the viewfinder objective section 7 installed in the central portions of the photographing lenses 3, 3, 3, 3 of the four left, right, top, and bottom eyes, and one side In the lens 12, 13, 14, 15,
16 and the second mirror 17 are arranged in this order. Then, the lenses 18, 1 are provided behind the second mirror 17.
9, 20, and 21 are arranged in this order, and an eyepiece lens 22 is arranged on the finder eyepiece 8 behind the eyepieces.

According to the above construction, the viewfinder objective section 7 is provided at the center of each of the four upper, lower, left and right taking lenses 3, 3, 3, 3 of the four-lens camera 1 so that the light incident on the objective lens 10 is first The mirror 11 guides the lens laterally,
The second mirror 17 receives the light that has passed through 13, 14, 15, and 16.
The image can be viewed by the photographer through the eyepiece lens 22 of the viewfinder eyepiece unit 8 by being guided to the rear. In particular, since the finder objective section 7 is installed at the center position of each of the four photographing lenses 3, 3, 3, 3 of four eyes.
It is possible to reduce the distance between the finder objective section 7 and the lenses 3, 3, 3 and make the deviations of the photographing lenses 3, 3, 3, 3 uniform. Therefore, it is possible to reduce the parallax between the photographing range of each photographing lens 3, 3, 3, 3 in the four-lens camera 1 and the visual field in the finder 6.

Next, a second embodiment of the present invention will be described. 3 and 4 show a twin-lens camera 31 as a second embodiment of a camera for identification photographs to which the present invention is applied. This twin-lens camera 31 has two left and right cameras main body 32.
Along with the eye photographing lenses 33, 33, a grip portion 34 is provided on one side of the camera body 32 (left side of the photographer), and a shutter button is provided on the other side of the camera body 32 (right side of the photographer). 35 and a finder 36.

In the finder 36, a finder objective portion 37 is installed at an intermediate portion (central portion) of the left and right two-lens photographing lenses 33, 33, and a finder eyepiece portion 38 is provided on an upper surface via a side surface portion of the camera body 32. It has a finder case 39 which is installed on the side and connects the finder objective section 37 and the finder eyepiece section 38. Inside the finder case 39, finder optical system components are arranged. In the second embodiment, the finder optical system component uses two more mirrors than the first embodiment.

That is, the objective lens 40 and the first mirror 41 are sequentially arranged in the finder objective section 37 installed in the central portion of the left and right two-eye photographing lenses 33, 33, and the lenses 42, 43, 44 and the second mirror 45 are arranged in this order. Then, the lenses 46 and 47 and the third mirror 48 are provided on one side of the second mirror 45.
Further, the lenses 49 and 50 and the fourth mirror 51 are arranged in this order above the third mirror 48 again. Further, the lenses 52 and 53 are arranged in this order rearward from the fourth mirror 51, and further,
In the rear viewfinder eyepiece 38, the eyepiece 5
4 are arranged.

According to the above construction, the viewfinder objective section 73 is provided in the central portion of the left and right taking lenses 33, 33 of the twin-lens camera 31, and the light incident on the objective lens 40 is first
Is guided upward by the mirror 41 of the lens 42, 43,
The light passing through 44 is guided laterally by the second mirror 45, then the light passing through the lenses 46 and 47 is guided upward again by the third mirror 48, and the lenses 49 and 5
The light passing through 0 is guided backward by the fourth mirror 51,
It can be viewed by the photographer through the eyepiece lens 54 of the viewfinder eyepiece 38. In particular, since the viewfinder objective section 37 is installed at the center position of the two left and right taking lenses 33, 33, the distance between the two taking lenses 33, 33 and the viewfinder objective section 37 can be reduced, and the two taking lenses 33, 33 can be reduced.
The deviation can be made uniform. Therefore, it is possible to reduce the parallax between the photographing range of the photographing lenses 33, 33 of the twin-lens camera 31 and the visual field in the finder 36.

In the above embodiment, the position of the finder objective is set to the center of each photographing lens, but the present invention is not limited to this, and the position of the finder objective is not necessarily the same for each lens. It does not have to be the central portion, and the point is that it should be between the taking lenses. Furthermore, in the embodiment, the position of the finder eyepiece is set to the side surface or the upper surface side of the camera body, but the position of the finder eyepiece may be set anywhere. Further, the components of the finder optical system are also arbitrary, for example, a prism or the like may be used instead of the mirror, and in addition, it is needless to say that a specific detailed structure or the like can be appropriately changed. is there.

[0015]

As described above, according to the ID photo camera according to the present invention, by disposing the finder objective section between the two or four taking lenses, the taking lens and the finder objective section are formed. The distance is reduced and parallax can be reduced. Further, by disposing the finder objective section in the middle of each photographing lens, the deviation between the photographing lenses can be made uniform.

[Brief description of drawings]

FIG. 1 is a schematic front view of a four-lens camera as a first embodiment of a camera for identification photography to which the present invention is applied, showing a viewfinder portion in a see-through state.

2 is a cross-sectional view taken along the line AA of FIG.

FIG. 3 is a schematic front view showing a twin-lens camera as a second embodiment of a camera for identification photography to which the present invention has been applied, in which a viewfinder portion is shown in a see-through state.

4 is a vertical cross-sectional view taken along the line BB of FIG.

[Explanation of symbols]

1 4 eye camera 2 camera body 3 taking lens 4 grip part 5 shutter button 6 viewfinder 7 viewfinder objective part 8 viewfinder eyepiece part 9 viewfinder case 10, 11, 12, 13, 13, 14, 15, 16, 17, 1
8, 19, 20, 21, 22 Finder optical system parts 31 Two-lens camera 32 Camera body 33 Photographing lens 34 Grip section 35 Shutter button 36 Finder 37 Finder objective section 38 Finder eyepiece section 39 Finder case 40, 41, 42, 43 , 44, 45, 46, 47, 4
8,49,50,51,52,53,54 Viewfinder optical system parts

Claims (1)

[Claims] 1. A camera for identification photography, comprising a two-lens or four-eye photography lens, wherein a viewfinder objective is provided between the two- or four-eye photography lenses.