a camera on which a front converter can be mounted and wherein a picture image of a high quality over an entire picture plane can be obtained and an aperture of a front converter can be reduced while a photographing magnification of the camera can be increased without the necessity of much expense . the camera comprises trimming designating means for designating a trimming condition in which an area smaller than a normal photograph area is printed . upon operation of the trimming designating means , encoding means operates to encode a trimming signal on a film so as to designate the trimming condition upon printing from the film . when a front converter is mounted on the camera , judging means detects this , and controlling means thereupon operates the trimming designating means to designate the trimming condition .