Rotatable focusing means for variable magnification...

Details Rotatable focusing means for variable magnification... Rotatable focusing means for variable magnification...

G - Physics

03

G

314/27

G03G 15/04 (2006.01) G03B 27/36 (2006.01) G03B 27/50 (2006.01) G03G 15/041 (2006.01)

Patent

CA 1126800

Abstract of the Disclosure A variable magnification electrophotographic copier wherein the ratio of object and image distance is changed by rotating the focusing means about an axis orthogonal to its optical axis. The rotational axis may intersect the optical axis or may be appreciably displaced therefrom.

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