Optical apparatus

Details Optical apparatus Optical apparatus

1992-12-29

1994-01-11

Gellner, Michael L.

3541951, G03B 0300

Patent

active

052786013

ABSTRACT:
An optical apparatus includes a driving part for driving an optical member such as a lens or the like to move along its optical axis, a rotary operation member arranged to determine the moving direction of the optical member by the rotating direction of the rotary operation member, a switching part arranged to permit switching a relationship between the rotating direction of the rotary operation member and the moving direction of the optical member, and a control part arranged to control the driving part to cause the optical member to move in one of two opposite directions according to the rotating direction of the rotary operation member and the switching position of the switching part.

REFERENCES:
patent: 4864344 (1989-09-01), Arokawa et al.

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