Lens system having a movable optical member that is controllable according to a predetermined command value, image pickup system, and drive control method for the lens system

摘要

Provided is a lens system, including: a lens apparatus including a movable optical member; a command apparatus for generating a command signal to be transmitted to the movable optical member; and a signal converter connected to the command apparatus by wire and communicable to and from the lens apparatus by wireless, in which: the lens apparatus includes: a drive controller for controlling drive of the movable optical member based on the command signal; and a wireless communicator for performing wireless communication to and from the signal converter; and after the wireless communication between the wireless communicator and the signal converter is stopped, the drive controller drives and controls the movable optical member in accordance with a situation in which the wireless communication is stopped.

主权项

1. A lens system comprising:
a lens apparatus including a movable optical member; a command generating apparatus that generates a command signal to be transmitted to the movable optical member; a signal converter connected to the command generating apparatus by wire and communicable to and from the lens apparatus wirelessly;
a drive controller that controls drive of the movable optical member based on the command signal; anda wireless communicator that performs wireless communication to and from the signal converter, wherein the drive controller detects a condition of the wireless communication between the wireless communicator and the signal converter and then controls driving of the movable optical member based on a command value when the wireless communication between the wireless communicator and the signal converter is stopped, and wherein the command value is a first command value upon a first stop condition due to an operation of a user and is a second command value different from the first command value upon a second stop condition different from the first stop condition.