Sigma
50mm F1.2 DG DN Art
Sony E Mount
50mm F1.2 DG DN Art — 50mm f/1.2 for Sony E, a popular choice in the sigma lineup.
$1,499
Launch priceReleased May 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
50mm F1.2 DG DN Art is 2 months newer.
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Wins
50mm F1.2 DG DN Art
Wins
FE 50mm F1.2 GM
3 categories tied
TL;DR — Key differences
- BFE 50mm F1.2 GM has lower Length (108 mm vs 182 mm)
- A50mm F1.2 DG DN Art has lower Min focus distance (30 cm vs 40 cm)
- BFE 50mm F1.2 GM has lower Weight (778 g vs 946 g)
- BFE 50mm F1.2 GM has higher Max magnification (0.17 × vs 0.15 ×)
- A50mm F1.2 DG DN Art has lower Diameter (81 mm vs 87 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 50mm F1.2 DG DN Art
- ✓
Special elements
Adds Aspherical, ED
- ✓
Min focus distance
30 cm vs 40 cm — 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)
- ✓
Length
108 mm vs 182 mm — lower is better
- ✓
Weight
778 g vs 946 g — lower is better
- ✓
Max magnification
0.17 × vs 0.15 × — higher is better
Shared specifications
Max aperture (Wide)
Both f/1.2
Max aperture (Tele)
Both f/1.2
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.
50mm F1.2 DG DN Art
Pros
- ✓Bright f/1.2 aperture for low light and subject separation
- ✓Prime design typically delivers strong sharpness and lighter weight
- ✓Weather-sealed construction for outdoor shooting
Cons
- –Relatively heavy for extended handheld use
- –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 50mm F1.2 DG DN Art and FE 50mm F1.2 GM at major authorized retailers.
Sigma 50mm F1.2 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 May 2026.