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Leica Summilux-SL 50mm F1.4 ASPH

Leica L-Mount Autofocus

Leica Summilux-SL 50mm F1.4 ASPH

Focal length
50 mm
Aperture
f/1.4
Weight
1065 g
Filter diameter
82 mm
Min. focus distance
60 cm
Length
124 mm

Successor: Leica Summilux-SL 50mm F1.4 ASPH (2026)

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At a Glance

The Summilux-SL is a 50 mm standard prime for full-frame L-Mount with a very large f/1.4 aperture and autofocus. At 1.07 kg it is heavy, and it takes 82 mm filters. The minimum focus distance is 0.6 m. It suits everyday shooting, street photography and low light.

Good for

  • Everyday
  • Street
  • Low light

Worth knowing

  • At 1.1 kg it is heavy: a monopod or tripod helps for longer sessions.
  • Minimum focus distance of 0.6 m: limited for close-ups.

Derived from the manufacturer data, not from our own tests. How we check

Technical Specifications

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Min. focal length
50 mm
Max. focal length
50 mm
Max. aperture (min. zoom)
f/1.4
Max. aperture (max. zoom)
f/1.4
Min. aperture
f/16
Elements
11
Groups
9
Weight
1,065 g (2.35 lb)
Filter diameter
82 mm
Min. focus distance
60 cm (23.62 in)
Length
124 mm (4.88 in)
Diameter
88 mm (3.46 in)

Manufacturer data: leica-camera.com, leica-camera.com

Last checked: October 13, 2026 (against the manufacturer data) · How we check

Simulate depth of field and angle of view

Compare with other lenses

Which cameras does the Leica Summilux-SL 50mm F1.4 ASPH fit?

The Leica Summilux-SL 50mm F1.4 ASPH is a full-frame lens for L-Mount cameras. On full-frame bodies it uses the whole sensor; on APS-C L-Mount cameras its field of view equals 75 mm in full-frame terms.

L-Mount cameras

Full frame:
Leica SL3-P,Leica SL3-S,Sigma BF,Panasonic Lumix S1II,Panasonic Lumix S1IIE,Panasonic Lumix S1RII,Leica SL3,Panasonic Lumix S9,Blackmagic PYXIS 6K,Panasonic Lumix S5II,Panasonic Lumix S5IIX,Blackmagic Cinema Camera 6K,Panasonic Lumix BS1H,Leica SL2-S,Panasonic Lumix S5,Sigma fp L,Leica SL2,Panasonic Lumix S1,Panasonic Lumix S1R,Panasonic Lumix S1H,Sigma fp,Leica SL (Typ 601)
APS-C:
Leica CL,Leica TL2,Leica TL,Leica T (Typ 701)

Leica Summilux-SL 50mm F1.4 ASPH compared

Key specs side by side with the most similar L-Mount lenses.

LensLeica Summilux-SL 50mm F1.4 ASPHPanasonic Lumix S Pro 50mm F1.4Sigma 50mm F1.4 DG DN ArtSigma 50mm F1.4 DG HSM Art
Focal length50 mm50 mm50 mm50 mm
Max. aperturef/1.4f/1.4f/1.4f/1.4
Weight1,065 g955 g670 g905 g
Filter diameter82 mm77 mm72 mm77 mm
Min. focus distance60 cm44 cm45 cm40 cm
Length124 mm130 mm109.5 mm123.9 mm
Autofocusyesyesyesyes
Image stabilizationnononono
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Leica Summilux-SL 50mm F1.4 ASPH: FAQ

Does the Leica Summilux-SL 50mm F1.4 ASPH have autofocus?

Yes, the Leica Summilux-SL 50mm F1.4 ASPH has autofocus.

Does the Leica Summilux-SL 50mm F1.4 ASPH have image stabilization?

No, the Leica Summilux-SL 50mm F1.4 ASPH has no stabilization of its own. On cameras with in-body image stabilization (IBIS) the image is still stabilized.

How much does the Leica Summilux-SL 50mm F1.4 ASPH weigh?

The Leica Summilux-SL 50mm F1.4 ASPH weighs 1,065 g. It is 124 mm long with a diameter of 88 mm.

What filter size does the Leica Summilux-SL 50mm F1.4 ASPH use?

The Leica Summilux-SL 50mm F1.4 ASPH takes 82 mm screw-in filters.

How close can the Leica Summilux-SL 50mm F1.4 ASPH focus?

The minimum focus distance of the Leica Summilux-SL 50mm F1.4 ASPH is 60 cm, measured from the sensor plane.

Is the Leica Summilux-SL 50mm F1.4 ASPH a full-frame lens?

Yes, the Leica Summilux-SL 50mm F1.4 ASPH covers full frame. On APS-C cameras its field of view equals 75 mm in full-frame terms.

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