Sigma
28-70mm F2.8 DG DN
Sony E Mount
28-70mm F2.8 DG DN — 28–70mm f/2.8 for Sony E, a popular choice in the sigma lineup.
$899
Launch priceReleased Mar 2021
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 2 months newer.
Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.
Wins
28-70mm F2.8 DG DN
Wins
50mm F1.2 DG DN Art
1 categories tied
TL;DR — Key differences
- B50mm F1.2 DG DN Art has lower Max aperture (Wide) (f/1.2 vs f/2.8)
- B50mm F1.2 DG DN Art has lower Max aperture (Tele) (f/1.2 vs f/2.8)
- A28-70mm F2.8 DG DN has lower Weight (470 g vs 946 g)
- A28-70mm F2.8 DG DN has higher Max magnification (0.25 × vs 0.15 ×)
- A28-70mm F2.8 DG DN has lower Length (116 mm vs 182 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 28-70mm F2.8 DG DN
- ✓
Weight
470 g vs 946 g — lower is better
- ✓
Length
116 mm vs 182 mm — lower is better
- ✓
Diameter
70 mm vs 81 mm — lower is better
- ✓
Max magnification
0.25 × vs 0.15 × — higher is better
Reasons to choose the 50mm F1.2 DG DN Art
- ✓
Max aperture (Wide)
f/1.2 vs f/2.8 — lower is better
- ✓
Max aperture (Tele)
f/1.2 vs f/2.8 — lower is better
- ✓
Special elements
Adds ED
- ✓
Control ring
Only 50mm F1.2 DG DN Art supports it
- ✓
Custom function button
Only 50mm F1.2 DG DN Art supports it
- ✓
Min focus distance
30 cm vs 38 cm — lower is better
Shared specifications
Internal focus
Both support internal focus
Weather sealing
Both support weather sealing
Pros & cons at a glance
Editorially curated highlights and trade-offs.
28-70mm F2.8 DG DN
Pros
- ✓Versatile zoom range covers multiple focal lengths in one lens
- ✓Weather-sealed construction for outdoor shooting
- ✓Native Sony E mount compatibility
Cons
- –No optical stabilization — relies on body IBIS
- –Third-party or older alternatives may offer better value
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 28-70mm F2.8 DG DN and 50mm F1.2 DG DN Art at major authorized retailers.
Sigma 28-70mm F2.8 DG DN
Sigma 50mm F1.2 DG DN Art
Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.
Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.