Sigma
10-18mm F2.8 DC DN Contemporary
Sony E Mount
10-18mm F2.8 DC DN Contemporary — 10–18mm f/2.8 for Fujifilm X, a popular choice in the sigma lineup.
$649
Launch priceReleased Feb 2024
Sigma
18-50mm F2.8 DC DN Contemporary
Sony E Mount
18-50mm F2.8 DC DN Contemporary — 18–50mm f/2.8 for Sony E, a popular choice in the sigma lineup.
$549
Launch priceReleased Oct 2021
10-18mm F2.8 DC DN Contemporary is 2.3 years 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
10-18mm F2.8 DC DN Contemporary
Wins
18-50mm F2.8 DC DN Contemporary
4 categories tied
Which would you choose?
TL;DR — Key differences
- A10-18mm F2.8 DC DN Contemporary has lower Min focus distance (11.7 cm vs 38 cm)
- A10-18mm F2.8 DC DN Contemporary has lower Length (64 mm vs 91 mm)
- A10-18mm F2.8 DC DN Contemporary has lower Weight (255 g vs 290 g)
- B18-50mm F2.8 DC DN Contemporary has lower Diameter (65 mm vs 72.2 mm)
Key specs at a glance
Size and weight, to scale
📸 Snap this lens size diff to share
10-18mm F2.8 DC DN Contemporary
⌀72 × 64 mm
255 g (0.56 lb / 8.99 oz)
Credit card
85.6 × 54 mm
for scale
18-50mm F2.8 DC DN Contemporary
⌀65 × 91 mm
290 g (0.64 lb / 10.23 oz)
10-18mm F2.8 DC DN Contemporary is 27mm shorter and 7mm wider than 18-50mm F2.8 DC DN Contemporary.
10-18mm F2.8 DC DN Contemporary is 35 g lighter 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 10-18mm F2.8 DC DN Contemporary
- ✓
Special elements
Adds 1 SLD, 3 Aspherical
- ✓
Min focus distance
11.7 cm vs 38 cm — lower is better
- ✓
Length
64 mm vs 91 mm — lower is better
- ✓
Weight
255 g vs 290 g — lower is better
Reasons to choose the 18-50mm F2.8 DC DN Contemporary
- ✓
Special elements
Adds Aspherical
- ✓
Diameter
65 mm vs 72.2 mm — lower is better
Shared specifications
Max aperture (Wide)
Both f/2.8
Max aperture (Tele)
Both f/2.8
Max magnification
Both 0.25 ×
Internal focus
Both support internal focus
Pros & cons at a glance
Editorially curated highlights and trade-offs.
10-18mm 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
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 Sony E mount compatibility
Cons
- –Third-party or older alternatives may offer better value
Decided which one is right for you?
Compare live prices for the 10-18mm F2.8 DC DN Contemporary and 18-50mm F2.8 DC DN Contemporary at major authorized retailers.
Sigma 10-18mm F2.8 DC DN Contemporary
Sigma 18-50mm F2.8 DC DN Contemporary
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 August 2026.