Leica IIIa Specifications Leica IIIa Very Early Shown with Early Mooly Motor #353 Leica IIIa IIIa  1935-1950 SN# 156,201 360,100 Finish Chrome Lens Screw Mount Shutter Focal Plane Film Advance Knob Rangefinder/Viewfinder Dual Window Coupled Rangefinder Base Length N/A Shutter Speeds 1/20,Z,1/1000 Flash Sync No Self Timer No Weight 420 Grams Variations/Special Models Year Model Units Produced