Patent ID: 8441741

Claim:
An image pickup apparatus comprising: a first drive unit; a first lens unit configured to be driven by the first drive unit to perform a magnification-varying operation; a second drive unit; a second lens unit configured to be driven by the second drive unit; and a controller configured to control the first drive unit and the second drive unit so as to drive the second lens unit with reference to a position of the first lens unit in performing the magnification-varying operation, wherein the controller controls the second lens unit so as to move only in a first direction in performing the magnification-varying operation based on a first position and a second position, wherein the first position is a position of the second lens unit corresponding to a position of the first lens unit at a first time and the second position is a position of the second lens unit corresponding to a position of the first lens unit at a second time, wherein the first time and the second time are different times after a present time.