Photographic exposure apparatus

Details Photographic exposure apparatus Photographic exposure apparatus

G - Physics

03

B

G03B 27/72 (2006.01) G03B 27/40 (2006.01) G03B 27/73 (2006.01) G03G 15/041 (2006.01)

Patent

CA 2167432

A photographic exposure apparatus comprises: an exposure lens; a lens carriage having a light shield region and a lens mount region; a switching means for moving the lens carriage to locate selectively the lens across the axis of exposure light; a first shutter for controlling the exposure light; and a mechanical linking means responsive to the movement of the lens carriage for closing and opening the second shutter, in which when the lens on the lens carriage is dislocated from the axis of exposure light in a standby mode, the mechanical linking means closes the second shutter to interrupt the scattered light, and when the lens is across the axis of exposure light in an exposure mode, the mechanical linking means opens the second shutter.

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