Kodak Duaflex II

Produced 1950-54 (Dec. 1952) Eastman Kodak Co., Rochester, NY USA
Film type 620 rollfilm
Picture size 6x6
Weight 1lb, 1.4oz (493.3g)
Lens Kodar 72mm 1:8
Focal range 3.5' to infinity
Shutter simple spring w/sliding aperture disc (f8, f11, f16)
Shutter speeds: Instant, about 1/30 plus 'B'
Viewfinder mirror reflector
Exposure meter: none
Double-exposure lock