Lens apparatus, image pickup apparatus, method of controlling lens apparatus and program

Abstract

A lens apparatus is provided with movable first and second units, first and second holders for holding the first and second units, a driving unit for electrically driving the second holder, a transmission member movable relative to the second holder in the optical axis direction and transmits driving force to the second holder, a biasing member for biasing the second holder toward the first holder side relative to the transmission member, a controller for controlling the driving unit, and first and second detectors for detecting the positions of the first and second holders, wherein movable ranges of the first and second holders have interference region which interfere with each other, and controller changes a control of driving unit between the interference region where the first and the second holding members interfere each other and an interference-free region based on detection results of the first and second detectors.