Aperture size changing apparatus for a camera

Camera

Camera

Camera

Camera capable of varying size of image plane

Camera having a screen adjustment frame

Camera having mechanism for changing frame size

Camera having operation member on rear cover thereof,...

Camera having variable field shooting sizes

Camera having variable-sized image plane and image plane size in

Camera with built-in mask

Camera with novel exposure frame

Douser mounting structure for a photographic camera having a pan

Field frame for finder

Field size switching mechanism for a camera

Frame masking mechanism

Imaging field changing apparatus

Multiple exposure-format camera

Photographed picture size switchable camera

Photographic camera with exposure size corrected for position of