Patent ID: 7443441

Claim:
A lens apparatus comprising, in order from an object side: a front focusing lens unit; a magnification-varying lens unit; and a rear focusing lens unit, wherein the lens apparatus has the following focus modes: a first focus mode in which the front focusing lens unit that is mechanically connected with a first operating unit is driven in accordance with an operation of the first operating unit; a second focus mode in which automatic focus is performed by driving the rear focusing lens unit using an actuator; and a third focus mode in which the rear focusing lens unit is driven in accordance with an operation of a second operating unit that is different from the first operating unit, wherein an operation of the second operating unit in the second focus mode changes the focus mode from the second focus mode to the third focus mode, wherein the rear focusing lens unit is driven in accordance with an operation amount of the second operating unit in the third focus mode, wherein the lens apparatus comprising a connecting mechanism which is selectively set to a first state in which the actuator is connected with the rear focusing lens unit and the second operating unit is not connected with the rear focusing lens unit, and a second state in which the second operating unit is mechanically connected with the rear focusing lens unit and the actuator is not connected with the rear focusing lens unit, and wherein the first state is set in the second focus mode, and the second state is set in the third focus mode.