Patent ID: 7630626

Claim:
A camera system including a camera head having an image pickup optical system and an image pickup device, and a camera main body to which the camera head is detachably attached, the camera system comprising: an optical finder unit which is detachably attached to the camera head, wherein the camera head comprises: a finder support section which detachably supports the optical finder unit, and a half mirror which causes subject light emitted through the image pickup optical system to pass through itself and to be focused into an image on the image pickup device, and which reflects the subject light which passes through the optical finder unit such that a user can visually recognize the subject, wherein the camera main body comprises: a second finder support section which detachably supports the optical finder unit in corporation with the finder support section included in the camera head, wherein the optical finder unit is simultaneously mounted on both the finder support section included in the lens unit and the second finder support section included in the camera main body.