Canon Demi Half Frame 35mm Film Camera

Canon Demi was produced in 1960's, which is half-frame 35mm film camera.  It has a bright SH 30mm f/1.7 lens had 6 elements in 4 groups. The  bright viewfinder was designed using a reversed Galilean type.  An exposure meter needle and correct-exposure window (with aperture scale) is located on the right of the viewfinder. It is shutter speed-priority EE with a CdS cell. The distance is by looking On the bottom of the image area  for near, medium, and far subject distances using match needle which is coupled to the lens focusing.
 
For exposure control, shutter speed-priority EE with a CdS cell was provided.