Leica APO-Summicron-M 50 mm F2.0 Negro ASPH

Description

This practical all-round lens is one of the best among standard focal length, high-brightness lenses. Extremely low distortion and outstanding image quality across the entire image area, even at maximum aperture, make the SUMMICRON an ideal lens for those seeking a powerful yet lightweight tool.

Key Features:
High-quality standard focal length Leica lenses to take full advantage of high-resolution camera systems.
Extremely high performance that sets new standards.
High contrast of details and high image sharpness from one edge of the image to the other.
Apochromatic correction (APO) using specially formulated optical glass minimizes chromatic aberration at the edges to ensure natural reproduction of all details.
It incorporates a floating element to achieve impressive image quality across the entire range of focusing distances, including the closest.
Extreme robustness and reliability
'Made in Germany', manufactured with only the finest materials and assembled in an elaborate manual process.

Target technical data
The MTF is indicated both at full aperture and at f/5.6 for infinity shots. Contrast is shown in percentages for 5, 10, 20, and 40 lp/mm through 35 mm film, for tangential lines (dotted lines) and for sagittal lines (solid lines) structures, in white light. The 5 and 10 lp/mm indicators give an indication of the contrast ratio for large object structures. The 20 and 40 lp/mm indicators record the finest resolution and the finest object structures.