Model: 3303 n Polyscop Country: Germany Year: c1920 Objective: Carl Zeiss Jena Tessar 4.5 Diagragamas: 4.5 to 36 Shutter speed: 1/2 to 1/200 + z + or Film plates Format: 6 x 13 cm Weight: 1,660kgs Approached from 1.5 meters, will focus lever hard Works, preserved as seen in the photos that are part of the definition.