Lens barrel having a power zooming function and a camera system

Details Lens barrel having a power zooming function and a camera system Lens barrel having a power zooming function and a camera system

1992-06-15

1993-09-07

Perkey, W. B.

3541951, G03B 500, G03B 1336, G02B 1500, G02B 709

Patent

active

052433749

ABSTRACT:
A power zooming lens barrel, which is mounted on a camera body having an auto-focus driving unit for performing a focusing driving to focus an objective image, comprises a zooming driving mechanism unit which is coupled to the auto-focus driving unit for driving a zooming lens group by the driving power from the auto-focus driving unit, a switching unit for actuating a zooming operation, and a zooming control unit for operating the auto-focus driving unit for a zooming driving through the zooming driving mechanism unit when the zooming operation is actuated by the switching unit.

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