This is one of the rarest subminiature cameras ever made, the Italian Scat, manufactured by Società Costruzione Articoli Tecnici of Rome, by 1954. It is the second version. Is one of the smaller chambers has been made, its dimensions are about 40x29x48mm weighing about 65g. With the right green box, two filters (still sealed in their paper), box and instructions. SCAT metal chamber was manufactured by the Italian manufacturer Societa Construzuzioni Articoli Technici in 1947. Dimension: 48x 43 x30mm Weight 70g (same weight as Minox IIIs), less than a third of Mikroma II (230g), it is the smallest 16mm camera. Movie: perforated film 16mm single or double in two separate cassettes Lens: aplanatic Lens 25mm / 3.5 GEM Approach from 1.5 m to infinity (1..5M sphere approach, 3M, 5M, 5M, infinity) Shutter: B, 1/25, 1/50 and 1/100 opening control: 3.5,5.6.6,8,11 to