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Sigma

10-18mm F2.8 DC DN Contemporary

Fujifilm X 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 price

Released Feb 2024

vs

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 price

Released Mar 2021

10-18mm F2.8 DC DN Contemporary is 2.9 years newer.

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Wins

5categories

10-18mm F2.8 DC DN Contemporary

Landscape

Wins

2categories

FE 50mm F1.2 GM

PortraitSports & Action

1 categories tied

Which would you choose?

TL;DR — Key differences

10-18mm F2.8 DC DN Contemporary wins 3 categories·FE 50mm F1.2 GM wins 2 categories
  • A10-18mm F2.8 DC DN Contemporary has lower Min focus distance (11 cm vs 40 cm)
  • A10-18mm F2.8 DC DN Contemporary has lower Weight (270 g vs 778 g)
  • BFE 50mm F1.2 GM has lower Max aperture (Wide) (f/1.2 vs f/2.8)
  • BFE 50mm F1.2 GM has lower Max aperture (Tele) (f/1.2 vs f/2.8)
  • A10-18mm F2.8 DC DN Contemporary has higher Max magnification (0.26 × vs 0.17 ×)

Key specs at a glance

10-18mm F2.8 DC DN ContemporaryFE 50mm F1.2 GM
Focal Length10-18 mm50 mm
Max Aperturef/2.8f/1.2
MountFujifilm XSony E
CoverageAPS-CFull Frame
StabilizationNoNo
Weight270 g778 g
Min Focus11 cm40 cm
Filter Size72 mm72 mm

Size and weight, to scale

10-18mm F2.8 DC DN Contemporary

72 × 77 mm

270 g (0.60 lb / 9.52 oz)

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

for scale

FE 50mm F1.2 GM

87 × 108 mm

778 g (1.72 lb / 27.44 oz)

10-18mm F2.8 DC DN Contemporary is 31mm shorter and 15mm narrower than FE 50mm F1.2 GM.

10-18mm F2.8 DC DN Contemporary is 508 g lighter 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

Use case10-18mm F2.8 DC DN ContemporaryFE 50mm F1.2 GM
Portrait
3.0Limited
9.0Excellent
Sports & Action
4.5Fair
6.5Good
Video & Hybrid
4.0Fair
4.5Fair
Landscape
6.0Good
3.0Limited
Travel
5.0Fair
2.0Limited
Wildlife
0.0Limited
3.0Limited
Macro & Close-up
4.5Fair
0.0Limited

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 cm vs 40 cm — lower is better

  • Weight

    270 g vs 778 g — lower is better

  • Length

    76.9 mm vs 108 mm — lower is better

  • Diameter

    72 mm vs 87 mm — lower is better

  • Max magnification

    0.26 × 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/2.8 — lower is better

  • Max aperture (Tele)

    f/1.2 vs f/2.8 — lower is better

  • Weather sealing

    Only FE 50mm F1.2 GM supports it

  • Control ring

    Only FE 50mm F1.2 GM supports it

  • Custom function button

    Only FE 50mm F1.2 GM supports it

Shared specifications

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

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 10-18mm F2.8 DC DN Contemporary and FE 50mm F1.2 GM at major authorized retailers.

Sigma 10-18mm F2.8 DC DN Contemporary

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Full specifications

= category winner

10-18mm F2.8 DC DN Contemporary
FE 50mm F1.2 GM
Focal length (Min)
10 mm
50 mm
Focal length (Max)
18 mm
50 mm
Max aperture (Wide)
f/2.8
f/1.2+2.4 stops wider
Max aperture (Tele)
f/2.8
f/1.2+2.4 stops wider
Elements
13
14
Groups
10
10
Special elements
1 SLD, 3 Aspherical
3 XA (extreme aspherical)
10-18mm F2.8 DC DN Contemporary
FE 50mm F1.2 GM
Min focus distance
11 cm−29 cm less
40 cm
Max magnification
0.26 ×+53%
0.17 ×
Autofocus motor
Stepping motor
XD Linear Motors
Internal focus
Yes
Yes
10-18mm F2.8 DC DN Contemporary
FE 50mm F1.2 GM
Optical stabilization
No
No
OIS effectiveness
0 stops
0 stops
10-18mm F2.8 DC DN Contemporary
FE 50mm F1.2 GM
Weight
270 g−508 g less
778 g
Length
76.9 mm−31 mm less
108 mm
Diameter
72 mm−15 mm less
87 mm
Filter thread size
72 mm
72 mm
Weather sealing
No
Yes
Diaphragm blades
7
11
10-18mm F2.8 DC DN Contemporary
FE 50mm F1.2 GM
Lens mount
Fujifilm X
Sony E
Format coverage
APS-C
Full Frame

Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.