| 摘要 |
A prism 11 installed over focal plates 9 and 10 of a reflex-type stereo camera 1 is a composite prism forming two right and left inversion prisms as a unitary structure. The inner one-half pictures of the right and left inverted pictures on the focal plates 9 and 10 are inverted right side left through the prism 11, so that an erect image of the outer one-half picture in the photographing range of the left lens 5 is projected onto the left side of the central projection plane of the prism 11 and an erect image of the outer one-half picture in the photographing range of the right lens 4 is projected onto the right side thereby to synthesize a picture. Thus, the right and left images can be simultaneously seen through one finder, making it easy to view the image and to operate the camera.
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