Sigma
85mm F1.4 DG DN Art
Leica L Mount
85mm F1.4 DG DN Art — 85mm f/1.4 for Leica L, a popular choice in the sigma lineup.
$1,199
Launch priceReleased Aug 2021
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
85mm F1.4 DG DN Art is 5 months newer.
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Wins
85mm F1.4 DG DN Art
Wins
FE 50mm F1.2 GM
1 categories tied
TL;DR — Key differences
- BFE 50mm F1.2 GM has lower Min focus distance (40 cm vs 85 cm)
- BFE 50mm F1.2 GM has higher Max magnification (0.17 × vs 0.12 ×)
- A85mm F1.4 DG DN Art has lower Weight (642 g vs 778 g)
- BFE 50mm F1.2 GM has lower Max aperture (Wide) (f/1.2 vs f/1.4)
- BFE 50mm F1.2 GM has lower Max aperture (Tele) (f/1.2 vs f/1.4)
Key specs at a glance
Size and weight, to scale
85mm F1.4 DG DN Art
⌀79 × 96 mm
642 g (1.42 lb / 22.65 oz)
Credit card
85.6 × 54 mm
for scale
FE 50mm F1.2 GM
⌀87 × 108 mm
778 g (1.72 lb / 27.44 oz)
85mm F1.4 DG DN Art is 12mm shorter and 8mm narrower than FE 50mm F1.2 GM.
85mm F1.4 DG DN Art is 136 g lighter than FE 50mm F1.2 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 85mm F1.4 DG DN Art
- ✓
Special elements
Adds 1 SLD, 3 Aspherical
- ✓
Weight
642 g vs 778 g — lower is better
- ✓
Length
96.1 mm vs 108 mm — lower is better
- ✓
Diameter
78.9 mm vs 87 mm — lower is better
Reasons to choose the FE 50mm F1.2 GM
- ✓
Special elements
Adds 3 XA (extreme aspherical)
- ✓
Min focus distance
40 cm vs 85 cm — lower is better
- ✓
Custom function button
Only FE 50mm F1.2 GM supports it
- ✓
Max aperture (Wide)
f/1.2 vs f/1.4 — lower is better
- ✓
Max aperture (Tele)
f/1.2 vs f/1.4 — lower is better
- ✓
Max magnification
0.17 × vs 0.12 × — higher is better
Shared specifications
Internal focus
Both support internal focus
Weather sealing
Both support weather sealing
Control ring
Both support control ring
Pros & cons at a glance
Editorially curated highlights and trade-offs.
85mm F1.4 DG DN Art
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
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 85mm F1.4 DG DN Art and FE 50mm F1.2 GM at major authorized retailers.
Sigma 85mm F1.4 DG DN Art
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 June 2026.