| 摘要 |
Therefore, it is an object of the present invention in the slide mount holder section, so that a rectangular stereo slide mount and a stereo slide mount having circular-arc left and right opposite ends can be smoothly loaded and positioned, without using any adapter. In a stereo slide viewer comprising a grooved slide mount holder section 23, left and right internal walls 23a and 23b of the slide mount holder section 23 are formed slantwise such that the distance between the internal walls is narrowed in the loading direction of a stereo slide mount 7, 7', and the distance between the left and right internal walls 23a and 23b in an internal bottom portion 23c of the slide mount holder section is formed so as to become substantially the same size as the left-right length Wa, Wb of the loading point 23c of the stereo slide mount 7, 7', so that the loading point 7a, 7'a of the stereo slide mount is positioned with the left and right internal walls 23a and 23b in the internal bottom portion 23c of the slide mount holder section.
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