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
Sigma
56mm F1.4 DC DN Contemporary
Sony E Mount
56mm F1.4 DC DN Contemporary — 56mm f/1.4 for Sony E, a popular choice in the sigma lineup.
$429
Launch priceReleased Nov 2018
18-50mm F2.8 DC DN Contemporary is 4.3 years newer.
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Wins
18-50mm F2.8 DC DN Contemporary
Wins
56mm F1.4 DC DN Contemporary
1 categories tied
TL;DR — Key differences
- A18-50mm F2.8 DC DN Contemporary has lower Min focus distance (12 cm vs 30 cm)
- A18-50mm F2.8 DC DN Contemporary has higher Max magnification (0.36 × vs 0.15 ×)
- B56mm F1.4 DC DN Contemporary has lower Max aperture (Wide) (f/1.4 vs f/2.8)
- B56mm F1.4 DC DN Contemporary has lower Max aperture (Tele) (f/1.4 vs f/2.8)
- A18-50mm F2.8 DC DN Contemporary has lower Length (76.8 mm vs 89 mm)
Key specs at a glance
Size and weight, to scale
18-50mm F2.8 DC DN Contemporary
⌀65 × 77 mm
285 g (0.63 lb / 10.05 oz)
Credit card
85.6 × 54 mm
for scale
56mm F1.4 DC DN Contemporary
⌀70 × 89 mm
280 g (0.62 lb / 9.88 oz)
18-50mm F2.8 DC DN Contemporary is 12mm shorter and 6mm narrower than 56mm F1.4 DC DN Contemporary.
18-50mm F2.8 DC DN Contemporary is 5 g heavier than 56mm F1.4 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 18-50mm F2.8 DC DN Contemporary
- ✓
Special elements
Adds 1 SLD, 3 Aspherical
- ✓
Min focus distance
12 cm vs 30 cm — lower is better
- ✓
Max magnification
0.36 × vs 0.15 × — higher is better
- ✓
Length
76.8 mm vs 89 mm — lower is better
- ✓
Diameter
64.5 mm vs 70 mm — lower is better
Reasons to choose the 56mm F1.4 DC DN Contemporary
- ✓
Special elements
Adds Aspherical, ED
- ✓
Max aperture (Wide)
f/1.4 vs f/2.8 — lower is better
- ✓
Max aperture (Tele)
f/1.4 vs f/2.8 — lower is better
- ✓
Weight
280 g vs 285 g — lower is better
Shared specifications
Internal focus
Both support internal focus
Pros & cons at a glance
Editorially curated highlights and trade-offs.
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
56mm F1.4 DC DN Contemporary
Pros
- ✓Bright f/1.4 aperture for low light and subject separation
- ✓Prime design typically delivers strong sharpness and lighter weight
- ✓Lightweight design easy to carry all day
Cons
- –Third-party or older alternatives may offer better value
Decided which one is right for you?
Compare live prices for the 18-50mm F2.8 DC DN Contemporary and 56mm F1.4 DC DN Contemporary at major authorized retailers.
Sigma 18-50mm F2.8 DC DN Contemporary
Sigma 56mm F1.4 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.