Patent ID: 6788888
Filing Date: 2004-09-07
Classification: G02B,H04N

Abstract:
An optical device comprising:an optical member; an operating ring which can be rotated about an optical axis of said optical member and is capable of driving said optical member; a switching mechanism which can transmit a drive force from a motor drive source to said operating ring, and can be switched between a state for motor-driving said optical member and a state for canceling motor driving of said optical member; and control means capable of switching said switching mechanism between the state for motor-driving said optical member and the state for canceling motor driving of said optical member, wherein said control means is configured to switch said switching mechanism to the state for canceling motor driving of said optical member on the basis of manual operation of said operating ring when said switching mechanism is set in the state for motor-driving said optical member by detecting a signal of the motor drive source.