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About the Leica SUMMICRON-M 35mm f/2 ASPH.
Excellent sharpness, high contrast and a superb resolving power over the entire focusing range are evident at full aperture. With its aperture stopped down modestly to f/4, this versatile lens delivers a maximum of resolving power and contrast. It is all the more impressive because of its virtually perfect absence of distortion. That makes it a world-class lens among fast wide-angle lenses. In spite of its high speed and its superb imaging performance, it is surprisingly small. Every Leica M camera fitted with this lens becomes a highly compact and elegant unit.
|Angle of view (diagonal, horizontal, vertical)||63°, 54°, 38°|
|Optical design||Number of elements / groups: 7 / 5|
Focal length: 35.3 mm
Entrance pupil: 10 mm (related to the first lens surface in light direction)
Focusing range: 0.7 m to Infinity
|Distance setting||Scale: combined meter/feet-increments|
Smallest object field: 419 mm x 627 mm
Highest reproduction ratio: 1:17.5
|Diaphragm||Setting / Type: with clickstops (including half values), manual diaphragm|
Smallest aperture: f/16
|Bayonet||Leica M quick-change bayonet|
|Filter (type)||internal thread for screw-in type filters E 39|
|Lens hood||separate, clip-on type|
|Dimensions and weight||Length: 34.5 mm|
Largest diameter: 53 mm
Weight: approx. 255 g / 340 g (black anodized- / silver chrome finish)