| 摘要 |
A superminiature camera, of the type using a conventional 110 film cassette with a first gear for film advance, has an extensible camera body. The camera body includes a rotary side wall, normally releasably fastened to the upper wall and when in use rotatable about its lower side to a horizontal position, including a second gear on the inner surface of the rotary side wall, and a rotary knob integrated with the second gear; an upper wall; a lower wall; an extensible rear wall, slidably engaged with the upper and lower walls, extensible firstly outwardly for entrance into the camera body of the film cassette, subsequently contractible inwardly to clamp the film container and simultaneously to urge the first and second gears to mesh with each other for film advancing; and a viewfinder with a contractible eyepiece and a contractible objective piece. When the superminiature camera is in an idle condition, as the viewfinder and the extensible rear wall are contracted, and the rotary side wall is fastened to the upper wall, the superminiature camera is extremely small in volume.
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