Patent ID: 9715079
Date: 2017-07-25
CPC Classifications: G02B,G03B,H04N

Claim:
1. A lens device which is connected to another lens device having an operating mode used as a stand-alone mode and a slave operating mode that is operated in response to a control signal input from an external device and is used in association with said another lens device, the lens device comprising: a setting unit that sets the lens device as a master, with respect to at least one control object for which the lens device is associated with said another lens device; and a control unit that drives the control object of the lens device in response to the control signal input to the lens device, and transmits a control signal for driving the control object of said another lens device to said another lens device, with respect to the control object for which the master is set in the setting unit, wherein the control unit transmits, to said another lens device, a mode switching signal only with respect to the control object for which the master is set in the setting unit, to instruct to said another lens device to switch the operation mode with respect to the control object from the operation mode used as the stand-alone mode to the slave operation mode that is operated in response to the control signal input by the lens device.