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The Summicron-M 50mm F/2 Lens is distinguished by its compact and reliable optical design, along with its iconic focal length that delivers natural perspectives. Its excellent image quality extends to the outermost corners of the frame, while maintaining exceptional contrast at all aperture settings.
| Angle of view (diagonal, horizontal, vertical) | for 35 mm (24 x 36 mm): 47°, 40°, 27° |
|---|---|
| Number of lenses/groups | 6 / 4 |
| Focal length | 52.3 mm |
| Position of entrance pupil | 25.1 mm (related to the first lens surface in light direction) |
| Focusing range | 0.7 m to infinity |
| Scales | Combined meter/feet graduation |
| Smallest object field | 277 x 416 mm |
| Reproduction ratio | 01:11.5 |
| Aperture Setting/Function | With click-stops, half values available, manual diaphragm |
| Lowest aperture value | 16 |
| Bayonet | Leica M quick-change bayonet with 6 bit lens identification bar code for digital M models |
| Filter mount | Non-rotating, internal thread for screw-on filters size E 39 |
| Lens hood | Built-in telescopic |
| Length | 43.5 mm |
| Diameter | 53 mm |
| Weight | Approx. 240 g |
The excellent design of this standard Summicron lens makes it an exceptional choice across all aspects, including image quality, speed, size, and weight.
When stopped down to f/2.8 or f/4, there is only a slight improvement in contrast. Distortion is remarkably low, almost undetectable.
