Stereo camera for 6 x 13cm plates. Fitted with a Saphir Boyer lenses F:8.5cm f/4.5 No 36401, other lens missing. Adjustable double sliding shutters, 1.5/1/2/5/10/25/50/100/300/B/T. Large optical frame finder, depth of field scale, ground glass focusing screen. Summum Stereo Camera