§ 03 Head to head

Leica Summilux-SL 50 mm f/1.4 ASPH. (2026) vs Panasonic Lumix S Pro 50mm F1.4

Leica 50mm f/1.4 is 371 g lighter. Panasonic 50mm f/1.4 focuses 6 cm closer.

Both lenses are made for the L-Mount mount: the Leica Summilux-SL 50 mm f/1.4 ASPH. (2026) is a 50mm f/1.4 prime, and the Panasonic Lumix S Pro 50mm F1.4 is a 50mm f/1.4 prime. On paper the Leica Summilux-SL 50 mm f/1.4 ASPH. (2026) comes out ahead, 4 advantages to 2, but which one suits you depends on what you shoot.

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01

Key differences

From manufacturer specifications

Why is the Leica Summilux-SL 50 mm f/1.4 ASPH. (2026) better than the Panasonic Lumix S Pro 50mm F1.4?

  • 371 g lighter (584 g vs 955 g)
  • 56 mm shorter (74 mm vs 130 mm long)
  • Smaller filter thread (67 mm vs 77 mm)
  • Newer design (2026 vs 2019)

Why is the Panasonic Lumix S Pro 50mm F1.4 better than the Leica Summilux-SL 50 mm f/1.4 ASPH. (2026)?

  • Focuses 6 cm closer (0.44 m vs 0.5 m)
  • Has a physical aperture ring
02

Which should you buy?

By use
  • portrait For portrait photography, the Leica Summilux-SL 50 mm f/1.4 ASPH. (2026) has the edge: it is 371 g lighter to carry.
03

Specification

18 rows · better value flagged ◆
SpecificationLeica Summilux-SL 50 mm f/1.4 ASPH. (2026)Panasonic Lumix S Pro 50mm F1.4
Focal length50mm 50mm
Maximum aperturef/1.4 f/1.4
Minimum aperturef/16 f/16
Lens typePrime lens Standard prime lens
FormatFull frame Full Frame
Weight584 g (20.60 oz) ◆955 g (2.11 lb)
Dimensions75.5 x 74 mm 90 mm (diameter) x 130 mm (length)
Minimum focusing distance0.5 m (19.69 inches) 0.44 m (1.44 ft) ◆
Maximum magnification—0.15x
Image stabilizationNo No
Weather sealingYes Yes (dust, splash, and freeze-resistant)
Aperture ringNo Yes
Aperture blades11 11 (circular)
Optical construction11 elements / 6 groups 13 elements in 11 groups (includes 2 aspherical and 3 ED elements)
Filter size67 mm ◆77 mm
Lens mountL-Mount L-Mount
Released2026 2019
Price$4,950 list price —
04

Size

Drawn to relative scale
  • A · Leica
  • B · Panasonic
  • 74 × 75.5 mm
  • 130 × 90 mm

The Panasonic Lumix S Pro 50mm F1.4 is 56 mm longer and 371 g heavier than the Leica Summilux-SL 50 mm f/1.4 ASPH. (2026).

05

Sample frames

Shot on each lens

Leica Summilux-SL 50 mm f/1.4 ASPH. (2026)

L1003383
L1003383 by Jørgen Furfjord
L1003310
L1003310 by Jørgen Furfjord
Où va l'eau ?
Où va l'eau ? by Thierry Genevois
Roseau
Roseau by Thierry Genevois

Panasonic Lumix S Pro 50mm F1.4

Lost in Thought
Lost in Thought by pawelzakrzewski88
Enjoying the Shade
Enjoying the Shade by Marc Knoop
P2289224 2
P2289224 2 by Ruprehtt
HALU -6-
HALU -6- by snopan_
06

Video reviews

3 on YouTube
Video thumbnail for Leica Summilux-SL 50 mm f/1.4 ASPH. (2026) review 1
Video thumbnail for Panasonic Lumix S Pro 50mm F1.4 review 1
Video thumbnail for Panasonic Lumix S Pro 50mm F1.4 review 2
07

Questions

Which is lighter, the Leica Summilux-SL 50 mm f/1.4 ASPH. (2026) or the Panasonic Lumix S Pro 50mm F1.4?
The Leica Summilux-SL 50 mm f/1.4 ASPH. (2026) weighs 584 g, 371 g less than the Panasonic Lumix S Pro 50mm F1.4 (955 g).
Which focuses closer, the Leica Summilux-SL 50 mm f/1.4 ASPH. (2026) or the Panasonic Lumix S Pro 50mm F1.4?
The Panasonic Lumix S Pro 50mm F1.4 focuses down to 0.44 m, against 0.5 m for the Leica Summilux-SL 50 mm f/1.4 ASPH. (2026).
Do the Leica Summilux-SL 50 mm f/1.4 ASPH. (2026) and the Panasonic Lumix S Pro 50mm F1.4 have image stabilization?
No, neither lens has optical image stabilization; rely on in-body stabilization if your camera has it.
Is the Leica Summilux-SL 50 mm f/1.4 ASPH. (2026) or the Panasonic Lumix S Pro 50mm F1.4 better for portrait photography?
For portrait photography, the Leica Summilux-SL 50 mm f/1.4 ASPH. (2026) has the edge: it is 371 g lighter to carry.
08

Other comparisons