Sigma
100-400mm F5-6.3 DG DN OS Contemporary
Sony E Mount
100-400mm F5-6.3 DG DN OS Contemporary — 100–400mm f/5-6.3 for Sony E, a popular choice in the sigma lineup.
$949
Launch priceReleased Jul 2020
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
50mm F1.2 DG DN Art is 10 months newer.
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Wins
100-400mm F5-6.3 DG DN OS Contemporary
Wins
50mm F1.2 DG DN Art
1 categories tied
TL;DR — Key differences
- A100-400mm F5-6.3 DG DN OS Contemporary has higher OIS effectiveness (5 stops vs 0 stops)
- B50mm F1.2 DG DN Art has lower Max aperture (Tele) (f/1.2 vs f/6.3)
- B50mm F1.2 DG DN Art has lower Max aperture (Wide) (f/1.2 vs f/5)
- A100-400mm F5-6.3 DG DN OS Contemporary has higher Max magnification (0.25 × vs 0.15 ×)
- B50mm F1.2 DG DN Art has lower Min focus distance (30 cm vs 38 cm)
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 100-400mm F5-6.3 DG DN OS Contemporary
- ✓
OIS effectiveness
5 stops vs 0 stops — higher is better
- ✓
Optical stabilization
Only 100-400mm F5-6.3 DG DN OS Contemporary supports it
- ✓
Max magnification
0.25 × vs 0.15 × — higher is better
Reasons to choose the 50mm F1.2 DG DN Art
- ✓
Max aperture (Tele)
f/1.2 vs f/6.3 — lower is better
- ✓
Max aperture (Wide)
f/1.2 vs f/5 — lower is better
- ✓
Special elements
Adds ED
- ✓
Custom function button
Only 50mm F1.2 DG DN Art supports it
- ✓
Min focus distance
30 cm vs 38 cm — lower is better
- ✓
Weight
946 g vs 1140 g — lower is better
- ✓
Length
182 mm vs 210 mm — lower is better
Shared specifications
Internal focus
Both support internal focus
Diameter
Both 81 mm
Weather sealing
Both support weather sealing
Control ring
Both support control ring
Pros & cons at a glance
Editorially curated highlights and trade-offs.
100-400mm F5-6.3 DG DN OS Contemporary
Pros
- ✓Versatile zoom range covers multiple focal lengths in one lens
- ✓Built-in optical image stabilization
- ✓Weather-sealed construction for outdoor shooting
Cons
- –Relatively heavy for extended handheld use
- –Slower maximum aperture limits low-light performance
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
Decided which one is right for you?
Compare live prices for the 100-400mm F5-6.3 DG DN OS Contemporary and 50mm F1.2 DG DN Art at major authorized retailers.
Sigma 100-400mm F5-6.3 DG DN OS Contemporary
Sigma 50mm F1.2 DG DN Art
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.