Sigma
16-28mm F2.8 DG DN
Sony E Mount
16-28mm F2.8 DG DN — 16–28mm f/2.8 for Sony E, a popular choice in the sigma lineup.
$999
Launch priceReleased Jun 2022
Sigma
18-50mm F2.8 DC DN Contemporary
Fujifilm X Mount
18-50mm F2.8 DC DN Contemporary — 18–50mm f/2.8 for Fujifilm X, a popular choice in the sigma lineup.
$549
Launch priceReleased Apr 2023
18-50mm F2.8 DC DN Contemporary is 10 months newer.
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Wins
16-28mm F2.8 DG DN
Wins
18-50mm F2.8 DC DN Contemporary
3 categories tied
TL;DR — Key differences
- B18-50mm F2.8 DC DN Contemporary has lower Min focus distance (12 cm vs 38 cm)
- B18-50mm F2.8 DC DN Contemporary has lower Weight (285 g vs 450 g)
- B18-50mm F2.8 DC DN Contemporary has lower Length (76.8 mm vs 113 mm)
- B18-50mm F2.8 DC DN Contemporary has higher Max magnification (0.36 × vs 0.25 ×)
- B18-50mm F2.8 DC DN Contemporary has lower Diameter (64.5 mm vs 86 mm)
Key specs at a glance
Size and weight, to scale
16-28mm F2.8 DG DN
⌀86 × 113 mm
450 g (0.99 lb / 15.87 oz)
Credit card
85.6 × 54 mm
for scale
18-50mm F2.8 DC DN Contemporary
⌀65 × 77 mm
285 g (0.63 lb / 10.05 oz)
16-28mm F2.8 DG DN is 36mm longer and 22mm wider than 18-50mm F2.8 DC DN Contemporary.
16-28mm F2.8 DG DN is 165 g heavier than 18-50mm F2.8 DC DN Contemporary.
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 16-28mm F2.8 DG DN
- ✓
Special elements
Adds Aspherical
- ✓
Weather sealing
Only 16-28mm F2.8 DG DN supports it
- ✓
Control ring
Only 16-28mm F2.8 DG DN supports it
Reasons to choose the 18-50mm F2.8 DC DN Contemporary
- ✓
Special elements
Adds 1 SLD, 3 Aspherical
- ✓
Min focus distance
12 cm vs 38 cm — lower is better
- ✓
Weight
285 g vs 450 g — lower is better
- ✓
Length
76.8 mm vs 113 mm — lower is better
- ✓
Diameter
64.5 mm vs 86 mm — lower is better
- ✓
Max magnification
0.36 × vs 0.25 × — higher is better
Shared specifications
Max aperture (Wide)
Both f/2.8
Max aperture (Tele)
Both f/2.8
Internal focus
Both support internal focus
Pros & cons at a glance
Editorially curated highlights and trade-offs.
16-28mm 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
- –Third-party or older alternatives may offer better value
18-50mm F2.8 DC DN Contemporary
Pros
- ✓Versatile zoom range covers multiple focal lengths in one lens
- ✓Lightweight design easy to carry all day
- ✓Native Fujifilm X mount compatibility
Cons
- –Third-party or older alternatives may offer better value
Decided which one is right for you?
Compare live prices for the 16-28mm F2.8 DG DN and 18-50mm F2.8 DC DN Contemporary at major authorized retailers.
Sigma 16-28mm F2.8 DG DN
Sigma 18-50mm F2.8 DC DN Contemporary
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.