Leica Summilux-SL 50mm 1.4 ASPH User Manual

LEICA SUMMILUX-SL 50 mm f/1.4 ASPH.

Technical Data.

Illustration 1:2

Lens Leica Summilux-SL 50 mm f/1.4 ASPH.

Field angle

(diagonal, horizontal, vertical) 47.9°/40.5°/27.7°

Optical design

Number of lenses/groups 11/ 9

Number of aspherical lenses 2

Entrance pupil position 76.8 mm

Working range 0.6 m to infinity

Distance setting

×

Smallest object field 241

Largest reproduction ratio 1:10

Aperture

Setting/function Electronically controlled aperture, set using turn/push wheel on camera, including half values

Aperture setting range 1.4 -22

Lowest value 22

362 mm

Bayonet/sensor format Leica L bayonet, full-frame 35 mm format

Filter mount E82

Dimensions and weight

Length to bayonet mount 124 m m

Largest diameter 88 mm

Weight 1.065 g

Leica Camera AG

Am Leitz-Park 5 I 35578 WETZLAR I GERMANY I Telephone [phone] I Fax [phone] I www.leica-camera.com

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Page 1 of 3 I As at July 2016 I Specifications are subject to change without notice

LEICA SUMMILUX-SL 50 mm f/1.4 ASPH.

ENGINEERING DRAWING LENS SHAPE

Focus group

Illustrations 1:2

Aspherical lenses

The Leica Summilux-SL 50 mm f/1.4 ASPH. is the first prime lens in the SL-System portfolio and the new reference
lens in its class. This extremely fast, high-performance standard lens is ideal for capturing subjects in natural ligh­ting and offers the advantages of shallow depth of focus as a creative tool. Thanks to the outstanding precision of
its autofocus, it allows you to concentrate fully on your subject and the composition of a perfect picture. The ima­ging performance of the lens fulfills even the most stringent standards. Particularly at maximum aperture, its high
resolving power and the pleasingly soft bokeh in out of focus areas isolate the subject clearly from its surround­ings. Thanks to the consistent contrast rendition throughout the focusing range, this applies equally for all distance
settings.

CONSTRUCTION DETAILS

A special feature of its construction is the motorized focusing system. In contrast to manually focused prime len­ses, where the length generally varies when focusing, the Leica Summilux-SL 50 mm f/1.4 ASPH. has internal fo­cusing*. To ensure high imaging performance throughout the entire focusing range, the focusing group is elabora­tely constructed with an aspherical element, yet remains light enough to guarantee fast automatic focusing.Its
optical design contains a total of 11 elements. Of these, two are aspherical elements and a further four are made
from glasses with anomalous partial dispersion for the correction of chromatic aberrations. This complex optical
construction reduces all monochromatic and chromatic aberrations to a hardly perceptible minimum. Advanced
multilayer coating on all lens surfaces, the optimum design of the lens tubes, and the rectangular lens hood provi­ded with the lens significantly reduce reflections and stray light.

Leica Camera AG

Am Leitz-Park 5 I 35578 WETZLAR I GERMANY I Telephone [phone] I Fax [phone] I www.leica-camera.com

I

Page 2 of 3 I As at July 2016 I Specifications are subject to change without notice