Optical Construction: Five groups and six elements
Angle of View: 32.8°
Focal Length: 300mm
Minimum Aperture: 64
Minimum Focusing Distance: 9.0m
Front Frame Diameter: 70mm
Focusing: Helicoid-type by visual estimation
Shutter:
Type: Copal No. 0 Shutter
Speed: B: 1-1/500 sec.
Charge: Manual Setting
Release: For 1-1/500: electromagnetic release with main body release button; For B mode: mechanical type release with release lever on shutter side
Synchro: X contact point: all-speed synchronization