Fujifilm
XF 18-55mm F2.8-4 R LM OIS
Fujifilm X Mount
XF 18-55mm F2.8-4 R LM OIS — 18–55mm f/2.8-4 for Fujifilm X, a popular choice in the fujifilm lineup.
$699
Launch priceReleased Sep 2012
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 10.6 years newer.
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Wins
XF 18-55mm F2.8-4 R LM OIS
Wins
18-50mm F2.8 DC DN Contemporary
1 categories tied
Which would you choose?
TL;DR — Key differences
- AXF 18-55mm F2.8-4 R LM OIS has higher OIS effectiveness (5 stops vs 0 stops)
- B18-50mm F2.8 DC DN Contemporary has lower Min focus distance (12.1 cm vs 38 cm)
- 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 Max aperture (Tele) (f/2.8 vs f/4)
- B18-50mm F2.8 DC DN Contemporary has lower Length (76.8 mm vs 93 mm)
Key specs at a glance
Size and weight, to scale
📸 Snap this lens size diff to shareXF 18-55mm F2.8-4 R LM OIS
⌀65 × 93 mm
310 g (0.68 lb / 10.93 oz)
Credit card
85.6 × 54 mm
for scale
18-50mm F2.8 DC DN Contemporary
⌀62 × 77 mm
285 g (0.63 lb / 10.05 oz)
XF 18-55mm F2.8-4 R LM OIS is 16mm longer and 3mm wider than 18-50mm F2.8 DC DN Contemporary.
XF 18-55mm F2.8-4 R LM OIS is 25 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 XF 18-55mm F2.8-4 R LM OIS
- ✓
Special elements
Adds Aspherical
- ✓
OIS effectiveness
5 stops vs 0 stops — higher is better
- ✓
Optical stabilization
Only XF 18-55mm F2.8-4 R LM OIS supports it
Reasons to choose the 18-50mm F2.8 DC DN Contemporary
- ✓
Special elements
Adds 1 SLD, 3 Aspherical
- ✓
Min focus distance
12.1 cm vs 38 cm — lower is better
- ✓
Max aperture (Tele)
f/2.8 vs f/4 — lower is better
- ✓
Length
76.8 mm vs 93 mm — lower is better
- ✓
Max magnification
0.36 × vs 0.25 × — higher is better
- ✓
Weight
285 g vs 310 g — lower is better
- ✓
Diameter
61.6 mm vs 65 mm — lower is better
Shared specifications
Max aperture (Wide)
Both f/2.8
Internal focus
Both support internal focus
Pros & cons at a glance
Editorially curated highlights and trade-offs.
XF 18-55mm F2.8-4 R LM OIS
Pros
- ✓Versatile zoom range covers multiple focal lengths in one lens
- ✓Built-in optical image stabilization
- ✓Lightweight design easy to carry all day
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 XF 18-55mm F2.8-4 R LM OIS and 18-50mm F2.8 DC DN Contemporary at major authorized retailers.
Fujifilm XF 18-55mm F2.8-4 R LM OIS
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.