Parameters

Focal Length (mm): 75 mm 80 mm 85 mm 100 mm 105 mm 120 mm 130 mm 135 mm 150 mm 165 mm 180 mm Aperture (f/): f/1 (International) f/1.2 (International, half) f/1.4 (International) f/1.8 (International, half) f/2 (International) f/2.7 (German) f/2.8 (International) f/3.2 (German, half) f/3.5 (International/German, half) f/4 (International) f/4.5 (German, half) f/4.8 (German) f/5 (German, half) f/5.6 (International) f/6.3 (German, half) f/6.8 (German) f/7.2 (German) f/8 (International) f/9 (German, half) f/9.5 (German) f/11 (International) f/12.5 (German, half) f/16 (International) f/18 (German, half) f/22 (International) f/25 (German, half) f/32 (International) f/36 (German, half) f/45 (International) f/50 (German, half) f/64 (International) f/68 (German) f/71 (German, half) f/88 (German) Lens Diameter (mm): Lens-Film Distance (mm): Cone Diameter Film Plane (mm): 6x6 (56x56 mm, 79.2 mm Diagonal) 6x7 (56x70 mm, 89.6 mm Diagonal) 6x8 (56x77 mm, 95.2 mm Diagonal) 6x9 (56x84 mm, 101.0 mm Diagonal) Flange/Film Plane Distance (mm): Flange Inner Diameter (mm): Crossed