Leica Summicron M 35 / 2,0 ASPH Bruksanvisning
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LEICA SUMMICRON-M 35 mm f/2 ASPH.
1
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 beco-
mes a highly compact and elegant unit.
Lens shape
Asphere
LEICA SUMMICRON-M 35 mm f/2 ASPH.
2
Engineering drawing
Technical Data
Angle of view (diagonal, horizontal, vertical)
Optical design
Distance setting
Diaphragm
Bayonet
Filter (type)
Lens hood
Dimensions and weight
63°, 54°, 38°
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
Scale: combined meter/feet-increments
Smallest object field: 419 mm x 627 mm
Highest reproduction ratio: 1:17.5
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
separate, clip-on type
Length: 34.5 mm
Largest diameter: 53 mm
Weight: approx. 255 g / 340 g (black anodized- / silver chrome finish)
LEICA SUMMICRON-M 35 mm f/2 ASPH.
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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 35 / 2,0 ASPH |
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