Panasonic
LUMIX S 50mm F1.8
Leica L Mount
LUMIX S 50mm F1.8 — 50mm f/1.8 for Leica L, a popular choice in the panasonic lineup.
$449
Launch priceReleased Nov 2020
Sony
FE 50mm F1.2 GM
Sony E Mount
Exquisite resolution and dreamy bokeh combine in a masterful f/1.2 prime.
$1,999
Launch priceReleased Mar 2021
FE 50mm F1.2 GM is 4 months newer.
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Wins
LUMIX S 50mm F1.8
Wins
FE 50mm F1.2 GM
1 categories tied
TL;DR — Key differences
- ALUMIX S 50mm F1.8 has lower Weight (300 g vs 778 g)
- BFE 50mm F1.2 GM has lower Max aperture (Wide) (f/1.2 vs f/1.8)
- BFE 50mm F1.2 GM has lower Max aperture (Tele) (f/1.2 vs f/1.8)
- ALUMIX S 50mm F1.8 has lower Min focus distance (30 cm vs 40 cm)
- ALUMIX S 50mm F1.8 has lower Length (92 mm vs 108 mm)
Key specs at a glance
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 LUMIX S 50mm F1.8
- ✓
Special elements
Adds Aspherical
- ✓
Weight
300 g vs 778 g — lower is better
- ✓
Min focus distance
30 cm vs 40 cm — lower is better
- ✓
Length
92 mm vs 108 mm — lower is better
- ✓
Diameter
81 mm vs 87 mm — lower is better
Reasons to choose the FE 50mm F1.2 GM
- ✓
Special elements
Adds 3 XA (extreme aspherical)
- ✓
Weather sealing
Only FE 50mm F1.2 GM supports it
- ✓
Control ring
Only FE 50mm F1.2 GM supports it
- ✓
Custom function button
Only FE 50mm F1.2 GM supports it
- ✓
Max aperture (Wide)
f/1.2 vs f/1.8 — lower is better
- ✓
Max aperture (Tele)
f/1.2 vs f/1.8 — lower is better
- ✓
Max magnification
0.17 × vs 0.15 × — higher is better
Shared specifications
Internal focus
Both support internal focus
Pros & cons at a glance
Editorially curated highlights and trade-offs.
LUMIX S 50mm F1.8
Pros
- ✓Prime design typically delivers strong sharpness and lighter weight
- ✓Lightweight design easy to carry all day
- ✓Native Leica L mount compatibility
Cons
- –Third-party or older alternatives may offer better value
FE 50mm F1.2 GM
Pros
- ✓Outstanding sharpness wide open at f/1.2
- ✓Stunningly smooth, circular bokeh with 11 aperture blades
- ✓Extremely quiet and fast autofocus tracking
- ✓Manageable size and weight for an f/1.2 lens
Cons
- –Expensive investment for a single focal length
- –Heavy compared to standard f/1.8 options
- –Some visible vignetting wide open
Decided which one is right for you?
Compare live prices for the LUMIX S 50mm F1.8 and FE 50mm F1.2 GM at major authorized retailers.
Panasonic LUMIX S 50mm F1.8
Sony FE 50mm F1.2 GM
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.