Leica Summicron-M 50mm f/2 Bruksanvisning
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LEICA SUMMICRON-M 50 mm f/2 1
The optical computation of this lens leads to perfect image quality that extends into the corners at full aperture, with outstanding
contrast over the entire picture area, even in the close-up range. Stopping down to f/2.8 or f/4 brings only a minimal increase in
contrast. Distortion is extremely low and practically undetectable. The ideal lens for all photographers who want a high-performan-
ce tool that weighs very little and is compact in size.
Lens shape
LEICA SUMMICRON-M 50 mm f/2 2
Engineering drawing
Technical Data
Angle of view (diagonal, horizontal, vertical)
Optical design
Distance setting
Diaphragm
Bayonet
Filter (type)
Lens hood
Dimensions and weight
47°, 40°, 27°
Number of elements / groups: 6 / 4
Focal length: 52.3 mm
Entrance pupil: 25.1 mm (related to the first lens surface in light direction)
Focusing range: 0.7 m to Infinity
Scale: combined meter/feet-increments
Smallest object field: 277 mm x 416 mm
Highest reproduction ratio: 1:11.5
Setting / Type: with clickstops (including half values), manual diaphragm
Smallest aperture: f/16
Leica M quick-change bayonet
internal thread for screw-in type filters E 39
built-in, telescopic
Length: 43.5 mm
Largest diameter: 53 mm
Weight: approx. 240 g / 335 g (black anodized- / silver chrome finish)
LEICA SUMMICRON-M 50 mm f/2 3
0 5 10 15 20
Y'[mm]
0
20
40
60
80
100[%] Aperture Stop 2.0
0 5 10 15 20
Y'[mm]
0
20
40
60
80
100
Aperture Stop 5.6
[%]
0 5 10 15 20
Y'[mm]
0
20
40
60
80
100[%] Aperture Stop 2.8
MTF graphs
The MTF is indicated both at full aperture and at
f/5.6 at long taking distances (infinity). Shown
is the contrast in percentage for 5, 10, 20 and
40 lp/mm accross the height of the 35 mm film
format, for tangential (dotted line) and sagittal
(solid line) structures, in white light. The 5 and
10 lp/mm will give an indication regarding the
contrast ratio for large object structures.The
20 and 40 lp/mm records the resolution of finer
and finest object structures.
tangential structures
sagittal structures
_ _ _ _ _ _ _ _
Produktspecifikationer
| Varumärke: | Leica |
| Kategori: | Lins |
| Modell: | Summicron-M 50mm f/2 |
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