Patent ID: 8891952

Claim:
An image sensing apparatus on which a plurality of lens units are interchangeably mountable, the apparatus comprising: an acquisition unit configured to acquire lens unit information from the mounted lens unit; a detection unit configured to detect a focus shift amount of the mounted lens unit; an operation member configured to be operated by a user; and a display unit having a first mode and a second mode, wherein, in the first mode, the display unit performs display corresponding to the lens unit information acquired by the acquisition unit and display corresponding to a correction amount, operable by the operation member, for correcting the focus shift amount detected by the detection unit, and in the second mode, the display unit performs display corresponding to the correction amount, operable by the operation member, for correcting the focus shift amount detected by the detection unit, wherein the first mode requires the lens unit being mounted and the second mode does not require the lens unit being mounted.