Leica
Summilux-SL 35mm f/1.4 ASPH.
Leica L Mount
Summilux-SL 35mm f/1.4 ASPH. — 35mm f/1.4 for Leica L, a popular choice in the leica lineup.
$4,595
Launch priceReleased Apr 2021
Sony
FE 50mm F1.4 GM
Sony E Mount
FE 50mm F1.4 GM — 50mm f/1.4 for Sony E, a popular choice in the sony lineup.
$1,799
Launch priceReleased Feb 2023
FE 50mm F1.4 GM is 1.8 years newer.
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Wins
Summilux-SL 35mm f/1.4 ASPH.
Wins
FE 50mm F1.4 GM
3 categories tied
Which would you choose?
TL;DR — Key differences
- ASummilux-SL 35mm f/1.4 ASPH. has lower Min focus distance (30 cm vs 41 cm)
- BFE 50mm F1.4 GM has lower Weight (516 g vs 695 g)
- ASummilux-SL 35mm f/1.4 ASPH. has higher Max magnification (0.17 × vs 0.16 ×)
- BFE 50mm F1.4 GM has lower Length (96 mm vs 102 mm)
- ASummilux-SL 35mm f/1.4 ASPH. has lower Diameter (76 mm vs 80.6 mm)
Key specs at a glance
Size and weight, to scale
📸 Snap this lens size diff to shareSummilux-SL 35mm f/1.4 ASPH.
⌀76 × 102 mm
695 g (1.53 lb / 24.52 oz)
Credit card
85.6 × 54 mm
for scale
FE 50mm F1.4 GM
⌀81 × 96 mm
516 g (1.14 lb / 18.20 oz)
Summilux-SL 35mm f/1.4 ASPH. is 6mm longer and 5mm narrower than FE 50mm F1.4 GM.
Summilux-SL 35mm f/1.4 ASPH. is 179 g heavier than FE 50mm F1.4 GM.
Diameter (⌀) is the maximum barrel width; length is measured from the mount to the front of the lens.
Use-case scoring
Which one for what?
Algorithmic scores from verified specs · 10 = best in class
Why pick one over the other
Reasons to choose the Summilux-SL 35mm f/1.4 ASPH.
- ✓
Special elements
Adds 4 Aspherical, 2 ED
- ✓
Min focus distance
30 cm vs 41 cm — lower is better
- ✓
Diameter
76 mm vs 80.6 mm — lower is better
- ✓
Max magnification
0.17 × vs 0.16 × — higher is better
Reasons to choose the FE 50mm F1.4 GM
- ✓
Special elements
Adds Aspherical, ED
- ✓
Weight
516 g vs 695 g — lower is better
- ✓
Length
96 mm vs 102 mm — lower is better
Shared specifications
Max aperture (Wide)
Both f/1.4
Max aperture (Tele)
Both f/1.4
Internal focus
Both support internal focus
Weather sealing
Both support weather sealing
Control ring
Both support control ring
Custom function button
Both support custom function button
Pros & cons at a glance
Editorially curated highlights and trade-offs.
Summilux-SL 35mm f/1.4 ASPH.
Pros
- ✓Bright f/1.4 aperture for low light and subject separation
- ✓Prime design typically delivers strong sharpness and lighter weight
- ✓Weather-sealed construction for outdoor shooting
Cons
- –Premium price point
- –Third-party or older alternatives may offer better value
FE 50mm F1.4 GM
Pros
- ✓Bright f/1.4 aperture for low light and subject separation
- ✓Prime design typically delivers strong sharpness and lighter weight
- ✓Weather-sealed construction for outdoor shooting
Cons
- –Third-party or older alternatives may offer better value
Decided which one is right for you?
Compare live prices for the Summilux-SL 35mm f/1.4 ASPH. and FE 50mm F1.4 GM at major authorized retailers.
Leica Summilux-SL 35mm f/1.4 ASPH.
Sony FE 50mm F1.4 GM
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed August 2026.