The Koroll cameras were 120 film and 35mm viewfinder cameras made by Bencini in Milan, Italy starting in the 1950s. The body was based on a single aluminium alloy casting, which included the lens barrel. Each model seems to have gone through a number of facelifts, with minor cosmetic changes.
24 images 3×4.5cm on 120 film, uses two red windows
Shutter: Single-speed & B
Lens: f/11 (24S: f/9 or f/16)