SUMMILUX-SL 50 f/1.4 ASPH.

The new reference lens of this focal length

The Summilux-SL 50 f/ 1.4 ASPH. is designed to deliver maximum optical performance and establishes new benchmark standards in terms of sharpness. Thanks to internal focusing, the overall length of the lens remains unchanged when focusing.

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. 

More Details

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 coatings 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.

Proofs of performance
Summilux-SL 50 f/1.4 ASPH. in Action

9
f
1/1.600
s
200
ISO
50
mm
5.6
f
1/1.600
s
50
ISO
50
mm
5.6
f
1/1.000
s
100
ISO
50
mm
1.4
f
1/8.000
s
100
ISO
50
mm
4.5
f
1/1.250
s
100
ISO
50
mm
1.4
f
1/4.000
s
100
ISO
50
mm
3.2
f
1/160
s
50
ISO
50
mm
1.4
f
1/800
s
50
ISO
50
mm
1.4
f
1/125
s
50
ISO
50
mm
9
f
1/400
s
100
ISO
50
mm
2.5
f
1/1.250
s
100
ISO
50
mm
2.5
f
1/1.250
s
100
ISO
50
mm
1.4
f
1/1.000
s
1250
ISO
50
mm
1.4
f
1/50
s
250
ISO
50
mm
3.2
f
1/160
s
50
ISO
50
mm

Technical Data

Summilux-SL 50 f/1.4 ASPH.

Download (pdf/356.92 kB)

Order number 11 180
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 x 362 mm
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
Bayonet/sensor format Leica L bayonet, full-frame 35mm format
Filter mount E82
Dimensions and weight
Length to bayonet mount 124 mm
Largest diameter 88 mm
Weight 1.065 g

Place your order now:
SUMMILUX-SL
f/1.4 ASPH.

The fulfillment of photographic dreams is often only a click away: make the decision now, and raise your art of photography to an entirely new level.

Find a store

Name Order number
Summilux-SL 50 f/ 1.4 ASPH. 11180
Lens Hood for SL 50 f/ 1.4 ASPH. 12303
Lens rear cap SL 16064
Lens cap E82 16019
Filter ND 16x, E82, black 13059
Filter P-cir, E82, black 13052
Filter UVa II, E82, black 13042

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With the alliance between Leica Camera, Panasonic and Sigma, a collective 250 years of experience in the field of lens and camera construction will be combined into one platform. For the photographer, this opens up the chance to utilize endless variations of camera-lens combinations from the extensive product portfolios of all three manufacturers, allowing them to always find the best solution for their needs and any photographic situation.

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