G - Physics – 02 – B
Patent
G - Physics
02
B
88/111, 88/20
G02B 7/16 (2006.01) G03B 21/11 (2006.01)
Patent
CA 1126065
QUICK CHANGE LENS SYSTEM Abstract of the Disclosure A lens nesting member for a viewer or recorder carries a plurality of lenses in position to enable rapid selection of a desired lens and support means has clamping means associated therewith for positive positioning of the selected lens and photoelectric means is provided for sensing and for identifying the desired lens.
358513
Quantor Corporation
Smart & Biggar
LandOfFree
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