Introduction Wide normal lens made for 12 series medium format view cameras by Alpa & Rodenstock. It has a built-in focusing helicoid. It gives the equivalent field of view to a 33mm lens on full frame/35mm (when mounted on a 40x54mm digital back). Metal body available in black. Alpa 50mm f4 HR Alpagon Minimum focus distance: 0.7m Shutter size: Copal #0, 34.6mm Size: 108 x 88 mm Weight: 766g
