An operation apparatus for operating an optical element movable for changing an optical characteristic of an optical apparatus includes an operation member, a detector configured to detect an operation amount of the operation member, a controller configured to generate an operation command for the optical element based on the operation amount, and a memory configured to store an operation target for the optical element. The controller is configured to cause a display to display the operation command and the operation target in a first region of the display corresponding to a range which the operation command can take, and the operation command and the operation target in a second region of the display corresponding to a partial region in the first region and larger than the partial region.