Technical Data Angle of view (diagonal, horizontal, vertical) 47° / 40° / 27° (With Leica M8 models: 36° / 30° / 20°) Optical design Number of lenses/groups: 8 / 5 Position of entrance pupil (from bayonet flange): 24.4 mm Focus range: 0.7 m to 8 Distance setting Scales: Combined meter / graduation Smallest object field: approx. 271 mm x 407 mm (With Leica M8 models: 203 mm x 305 mm) Largest reproduction ratio: approx. 1:11.3 Aperture Setting / Function: prefix with click-stops, half steps Lowest value: 16 Bayonet Leica M quick-change bayonet Lens hood Built-in, extendable by rotating Dimensions and weight Length: approx. 47 mm Largest diameter: approx. 53 mm Weight: approx. 300 g