JP3576227B2 - ID photo camera - Google Patents

Description

[0001]
[Industrial applications]
The present invention relates to an ID photographing camera provided with a two-lens taking lens capable of taking two frames simultaneously or a four-eye taking lens capable of taking four frames simultaneously.
[0002]
[Prior art]
A twin-lens camera with a two-lens photographic lens capable of simultaneously capturing two frames and a four-lens camera with a four-lens photographic lens capable of simultaneously capturing four frames have been conventionally used as a certificate photo camera for taking a certificate photograph. Have been.
Conventionally, in such an ID camera, a finder is provided on a side surface of the camera body or the like (see, for example, Japanese Patent Application Laid-Open No. 1-35537).
[0003]
[Problems to be solved by the invention]
However, in a conventional ID photo camera in which a viewfinder is provided on the side of the camera body or the like, the shooting lens and the viewfinder optical system are located at different positions. There was a gap (parallax) from the visual field.
Such a shift (parallax) between the shooting range and the field of view in the viewfinder becomes more remarkable as the shooting lens is farther from the viewfinder.
[0004]
Therefore, an object of the present invention is to set a position of a finder objective portion appropriately and reduce a deviation between a photographing range by a two-lens or four-lens photographing lens and a visual field in a finder. Is to provide.
[0005]
[Means for Solving the Problems]
In order to solve the above-described problems, the present invention relates to an identification photographing camera provided with a two-lens or four-lens photographing lens on a front part of a camera body. And a finder optical system component from the finder objective section to the finder eyepiece is arranged along the outside of the camera body .
[0006]
[Action]
According to the present invention, since the camera is a certification photograph camera in which a finder objective section is installed between two or four-lens photographic lenses, the distance between the photographic lens and the finder objective section is reduced, and parallax is reduced.
Further, by disposing the finder objective section between the photographing lenses, the deviation of each photographing lens becomes uniform.
[0007]
【Example】
Hereinafter, an embodiment of the camera for identification photograph according to the present invention will be described with reference to FIGS.
First, FIGS. 1 and 2 show a four-lens camera 1 as a first embodiment of an ID photo camera to which the present invention is applied.
The four-lens camera 1 includes a camera body 2 having four upper, lower, left and right taking lenses 3, 3, 3, and 3, and a grip 4 on one side of the camera body 2 (the left hand side of the photographer). A shutter button 5 and a finder 6 are provided on the other side of the camera body 2 (on the right hand side of the photographer).
[0008]
The finder 6 has a finder objective section 7 installed at an intermediate portion (center) of the photographing lenses 3, 3, 3, and 3 with four eyes in the upper, lower, left, and right directions. It has a finder case 9 which is installed and connects the finder objective section 7 and the finder eyepiece section 8.
In the finder case 9, a finder optical system component is disposed.
That is, an objective lens 10 and a first mirror 11 are arranged in order in a finder objective section 7 installed at the center of the four upper, lower, left and right photographing lenses 3, 3, 3, and , Lenses 12, 13, 14, 15, 16 and the second mirror 17 are arranged in this order.
Then, rearward from the second mirror 17, lenses 18, 19, 20, and 21 are arranged in this order, and further, an eyepiece 22 is disposed in the finder eyepiece 8 behind the lens 18.
[0009]
According to the above configuration, the finder objective unit 7 is provided at the center of each of the upper, lower, left and right photographing lenses 3, 3, 3, 3 of the four-lens camera 1, and the light incident on the objective lens 10 is reflected by the first mirror 11 , The light passing through the lenses 12, 13, 14, 15, and 16 is guided backward by the second mirror 17, and can be seen by the photographer through the eyepiece 22 of the finder eyepiece 8.
In particular, since the finder objective section 7 is installed at the center of each of the upper, lower, left and right photographing lenses 3, 3, 3, 3, the distance between each photographing lens 3, 3, 3, 3 and the finder objective section 7 can be reduced. In addition, the deviation of each photographing lens 3, 3, 3, 3 can be equalized.
Therefore, 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 viewfinder 6 can be reduced.
[0010]
Next, a second embodiment of the present invention will be described.
FIG. 3 and FIG. 4 show a twin-lens camera 31 as a second embodiment of the camera for ID photograph to which the present invention is applied.
The twin-lens camera 31 includes a camera body 32 with left and right two-lens taking lenses 33, 33, and a grip section 34 on one side (left hand side of the photographer) of the camera body 32. A shutter button 35 and a finder 36 are provided on the other side (right side of the photographer).
[0011]
In the finder 36, a finder objective section 37 is set at an intermediate portion (central portion) of the left and right two-lens photographing lenses 33, 33, and a finder eyepiece 38 is provided on the upper surface side portion via the side portion of the camera body 32. It has a finder case 39 which is installed and connects the finder objective section 37 and the finder eyepiece section 38.
In the finder case 39, a finder optical system component is provided.
In the second embodiment, two more mirrors are used for the finder optical system components than in the first embodiment.
[0012]
That is, an objective lens 40 and a first mirror 41 are sequentially arranged on a finder objective section 37 installed at the center of the left and right two-lens photographing lenses 33, 33, and lenses 42, 43, 44 are disposed above the objective lens 40 and the first mirror 41. And the second mirror 45.
Then, the lenses 46 and 47 and the third mirror 48 are arranged in this order on one side from the second mirror 45, and the lenses 49 and 50 and the fourth Are arranged in this order.
Further, the lenses 52 and 53 are arranged rearward from the fourth mirror 51 again in this order, and an eyepiece lens 54 is arranged in the finder eyepiece 38 behind the fourth mirror 51.
[0013]
According to the above configuration, the finder objective part 73 is provided at the center of the left and right photographing lenses 33, 33 of the twin-lens camera 31, and the light incident on the objective lens 40 is guided upward by the first mirror 41, The light passing through the lenses 42, 43, and 44 is guided laterally by the second mirror 45, and the light passing through the lenses 46 and 47 is again guided upward by the third mirror 48. The transmitted light is guided backward by the fourth mirror 51 and can be seen by the photographer through the eyepiece 54 of the finder eyepiece 38.
In particular, since the finder objective section 37 is provided at the center of the two photographing lenses 33, 33 for the left and right eyes, the distance between the two photographing lenses 33, 33 and the finder objective section 37 can be reduced. The deviation can be equalized.
Accordingly, parallax between the photographing range of the twin-lens camera 31 with the photographing lenses 33 and 33 and the visual field in the viewfinder 36 can be reduced.
[0014]
In the above embodiments, the position of the finder objective section is set at the center of each photographing lens. However, the present invention is not limited to this, and the position of the finder objective section is not necessarily the center of each lens. It does not have to be, it only has to be between each taking lens.
Further, in the embodiment, the position of the finder eyepiece is the side surface or the upper surface side of the camera body, but the position of the finder eyepiece may be anywhere.
Further, the components of the finder optical system are also arbitrary, and for example, a prism or the like may be used instead of the mirror. Further, it is needless to say that other specific detailed structures can be appropriately changed. is there.
[0015]
【The invention's effect】
As described above, according to the camera for ID photographing of the present invention, the distance between the photographing lens and the finder objective unit is reduced by installing the finder objective unit between the two-lens or four-lens photographing lenses. , Parallax can be reduced.
Further, by disposing the finder objective section in the middle of each photographing lens, the deviation of each photographing lens can be equalized.
[Brief description of the drawings]
FIG. 1 is a schematic front view showing a four-lens camera as a first embodiment of an identification photograph camera to which the present invention is applied, and showing a finder portion in a see-through state.
FIG. 2 is a cross-sectional view taken along line AA of FIG. 1;
FIG. 3 is a schematic front view showing a twin-lens camera as a second embodiment of the camera for identification photograph to which the present invention is applied, showing a finder portion in a see-through state.
FIG. 4 is a longitudinal sectional view taken along line BB of FIG. 3;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Four-eye camera 2 Camera main body 3 Shooting lens 4 Grip part 5 Shutter button 6 Finder 7 Finder objective part 8 Finder eyepiece 9 Finder cases 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22 Viewfinder optical system component 31 Two-lens camera 32 Camera body 33 Photographing lens 34 Grip unit 35 Shutter button 36 Viewfinder 37 Viewfinder objective unit 38 Viewfinder eyepiece 39 Viewfinder case 40, 41, 42, 43, 44, 45 , 46, 47, 48, 49, 50, 51, 52, 53, 54 Viewfinder optical system parts

Claims (1)

An ID photo camera having a two-lens or four-lens photographic lens on the front of the camera body ,
At the front of the camera body , a finder objective section is installed between the two or four-lens shooting lens ,
A camera for ID photographing , wherein finder optical system components from the finder objective section to the finder eyepiece are arranged along the outside of the camera body .

Images