Lens barrel having reference shafts for movably supporting...

Details Lens barrel having reference shafts for movably supporting... Lens barrel having reference shafts for movably supporting...

G - Physics

02

B

G02B 7/08 (2006.01) G02B 7/10 (2006.01)

Patent

CA 2053931

A camera lens barrel having a housing which includes front and rear housing members. The lens barrel also includes driving power sources mounted within the lens barrel housing, and reference shafts which are supported in the lens barrel housing and extend parallel to an optical axis of the lens barrel. Further, a plurality of lens groups which include one group for zooming and another group for focusing, are mounted within the lens barrel housing. The lens groups for zooming and focusing are retained by separate lens holders which are mounted to the reference shafts so as to be reciprocally movable along the reference shafts upon activation of the driving power sources.

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