Patent ID: 7657174

Claim:
A lens interchangeable camera comprising: a camera body; a lens unit retained on said camera body in a removable manner; a protection cover, secured to said camera body, and movable between a closed position and an open position, wherein said protection cover, when in said closed position, closes an exposure opening formed for entry of object light from said lens unit into said camera body, and when in said open position, opens said exposure opening; a cover moving mechanism for setting said protection cover in said open position when said lens unit is retained on said camera body, and for setting said protection cover in said closed position when said lens unit is removed from said camera body; and a lens detecting sensor for detecting retention of said lens unit on said camera body; wherein said cover moving mechanism is actuated according to a detection result of said lens detecting sensor, sets said protection cover in said open position when said retention is detected, and sets said protection cover in said closed position in case of lack of detected retention.