A controller for a video camera, the controller comprising: an input for receiving a focus command indicative of a focus distance; and one or more outputs for transmitting a first signal for controlling the focus of a lens of the camera and a second signal indicative of the focus distance indicated by the focus command; the controller being configured to determine a focus limit and to transmit the first signal so as to command the camera to adjust its focus to the distance indicated by the focus command only if that distance does not exceed the focus limit.
Camera focus control
2020-09-09
Patent
Electronic Resource
English