An apparatus for adjusting the size of a picture image area and field frame of a view finder in an associated manner. The apparatus includes a picture image area restricting member which is linearly movable into and out of a photographing aperture, a field frame restricting member which is rotatably...http://www.google.ca/patents/US5386259?utm_source=gb-gplus-sharePatent US5386259 - Coordinating mechanism for picture image area and field frame size adjusting apparatus of camera
