Leica APO-Summicron-M 35mm f/2 ASPH Manual de Usario

Leica Lente APO-Summicron-M 35mm f/2 ASPH

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Page 1 of 7 I Version date March 2021 I Subject to changes in design and production.

Leica Camera AG I Am Leitz-Park 5 I 35578 WETZLAR I GERMANY I Phone +49(0)6441-2080-0 I Fax +49(0)6441-2080-333 I www.leica-camera.com

LEICA APO-SUMMICRON-M 35 f/2 ASPH.

Lens Leica APO-Summicron-M 1:2/35 ASPH.

Order Number

Black, anodized 11 699

View angle (diagonal/horizontal/vertical)

Full-frame (24 × 36mm)

for M8 (18 × 27mm)

62.5°/53.6°/37.2°

47.0°/40.0°/28.0°, equivalent focal length approx. 46.67mm

Lens system

Number of lenses/assemblies

Number of aspherical surfaces

Position of the entrance pupil before the

bayonet

Focus range

10/5

13.8mm

0.3m to inﬁnity (LiveView), 0.7m to inﬁnity (Rangeﬁnder)

Focusing

Scale

Smallest object ﬁeld

Largest scale

Combined scale meter (m)/foot (ft)

Full-frame: 135 × 203mm, M8: 101 × 152mm

1:5,6

Aperture

Setting/Function

Smallest aperture

Number of aperture blades

Lock blade, with half-increment lock settings

Bayonet Leica M bayonet with 6-bit encoding

Filter thread E39

Lens hood Screw-on

Dimensions

Length

Diameter

approx. 40.9/49.3mm (without/with lens hood)

approx. 53mm (without lens hood)

Technical Data.

Page 2 of 7 I Version date March 2021 I Subject to changes in design and production.

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LEICA APO-SUMMICRON-M 35 f/2 ASPH.

Figure 1:1

TECHNICAL DRAWING LENS CUT

ASPH.

Floating

Element

ASPH.

Page 3 of 7 I Version date March 2021 I Subject to changes in design and production.

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LEICA APO-SUMMICRON-M 35 f/2 ASPH.

MTF DIAGRAMS

Sagittal structures

Tangential structures

MTF CURVES

The MTF is shown in each case for the max. aperture of 2, as we as for 2.8 and 5.6 for long focus distances (inﬁnity). The contrast is plotted in percentages for 5, 10,

20, 40 lines/mm over the height of the format for tangential (dashed line) and sagittal structures (continuous line) for white light. The plots for 5 and 10 lines/mm

oﬀer an impression of the contrast behavior for coarser object structures, while the 20 and 40 lines/mm plots document the resolution capability for ﬁne and ﬁnest

object structures.

Aperture Stop 2.0 Aperture Stop 5.6

Aperture Stop 2.8