Sigma
28-45mm F1.8 DG DN Art
Nikon Z Mount
28-45mm F1.8 DG DN Art — 28–45mm f/1.8 for Nikon Z, a popular choice in the sigma lineup.
$1,499
Launch priceReleased Sep 2024
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
28-45mm F1.8 DG DN Art is 3.5 years newer.
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Wins
28-45mm F1.8 DG DN Art
Wins
FE 50mm F1.2 GM
1 categories tied
Which would you choose?
TL;DR — Key differences
- 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)
- A28-45mm F1.8 DG DN Art has higher Max magnification (0.25 × vs 0.17 ×)
- BFE 50mm F1.2 GM has lower Length (108 mm vs 153.4 mm)
- A28-45mm F1.8 DG DN Art has lower Min focus distance (30 cm vs 40 cm)
Key specs at a glance
Size and weight, to scale
📸 Snap this lens size diff to share28-45mm F1.8 DG DN Art
⌀89 × 153 mm
950 g (2.09 lb / 33.51 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)
28-45mm F1.8 DG DN Art is 45mm longer and 2mm wider than FE 50mm F1.2 GM.
28-45mm F1.8 DG DN Art is 172 g heavier 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 28-45mm F1.8 DG DN Art
- ✓
Special elements
Adds 2 SLD, 3 Aspherical
- ✓
Min focus distance
30 cm vs 40 cm — lower is better
- ✓
Max magnification
0.25 × vs 0.17 × — higher is better
Reasons to choose the FE 50mm F1.2 GM
- ✓
Special elements
Adds 3 XA (extreme aspherical)
- ✓
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
- ✓
Length
108 mm vs 153.4 mm — lower is better
- ✓
Weight
778 g vs 950 g — lower is better
- ✓
Diameter
87 mm vs 88.9 mm — lower is better
Shared specifications
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.
28-45mm F1.8 DG DN Art
Pros
- ✓Versatile zoom range covers multiple focal lengths in one lens
- ✓Weather-sealed construction for outdoor shooting
- ✓Native Nikon Z mount compatibility
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 28-45mm F1.8 DG DN Art and FE 50mm F1.2 GM at major authorized retailers.
Sigma 28-45mm F1.8 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.