Sigma Art 17-40mm f/1.8 DC

Sigma Art 17-40mm f/1.8 DC

Sigma
96 Overall Score
vs
Laowa 4mm f/2.8 Fisheye 4mm

Laowa 4mm f/2.8 Fisheye 4mm

Laowa
41 Overall Score

What Buyers Say

Sigma Art 17-40mm f/1.8 DC

95 out of 100 high confidence 36 reviews

The Sigma 17-40mm f/1.8 DC DN Art lens is overwhelmingly praised for its exceptional image quality, fast constant aperture, and compact internal zoom design. Users highlight its sharpness, lightweight build, and excellent autofocus performance, especially on crop-sensor mirrorless cameras like the Canon R7 and Fujifilm bodies. A few questions about compatibility with specific cameras and features like weather sealing and aperture ring are noted, but the overall sentiment is extremely positive.

Pros
  • Exceptional image quality
  • Fast constant f/1.8 aperture
  • Compact internal zoom design
  • Lightweight build
  • Sharp and bright photos
Cons
  • No weather sealing mentioned
  • No manual aperture ring on some mounts
  • Compatibility questions with full-frame cameras
  • Expensive for some buyers
👍 Image quality 8
👍 Aperture 7
👍 Build quality 6
👍 Autofocus 4
👍 Value for money 4
🤔 Compatibility 12

Laowa 4mm f/2.8 Fisheye 4mm

72 out of 100 high confidence 46 reviews

The Laowa 4mm f/2.8 fisheye is a fun, ultra-wide lens that delivers a unique circular image at a very low price. Users praise its sharpness and build quality, but note that it requires careful handling to avoid including fingers, grips, or lens markings in the frame. Compatibility with full-frame cameras is limited, often requiring cropping, and manual focus can be tricky. Overall, it's seen as a great value for creative or occasional use.

Pros
  • Very low price
  • Unique circular fisheye image
  • Sharp image quality
  • Fun and creative perspective
  • Compact and sturdy build
Cons
  • Fingers and grip visible in frame
  • Manual focus can be tricky
  • Limited compatibility with full-frame cameras
  • Requires cropping to remove black edges
  • Lens markings appear in images
👍 Value for money 8
👍 Build quality 5
👍 Image quality 7
👎 Ease of use 6
👎 Compatibility 10
👍 Fun factor 6

Scores

Portrait
Sigma
93
Laowa
33
Video Cinema
Sigma
89
Laowa
32
Professional
Sigma
89
Laowa
30
Budget
Sigma
87
Laowa
39
Macro
Sigma
82
Laowa
49
Travel
Sigma
81
Laowa
39
Street
Sigma
79
Laowa
37
Landscape
Sigma
79
Laowa
25
Wildlife Sports
Sigma
68
Laowa
21

Specifications

Sigma Art 17-40mm f/1.8 DCLaowa 4mm f/2.8 Fisheye 4mm
Optics
Typezoomfisheye
Focal Length Min17 mm4 mm
Focal Length Max40 mm4 mm
Elements177
Groups116
Aspherical Elements4★—
ED Elements4★—
CoatingSuper Multi-Layer Coating—
Aperture
Max Aperturef/1.8f/16
Min Aperturef/1.8f/2.8
Constant✓✓
Diaphragm Blades11★7
Build
MountFujifilm XNikon Z
FormatAPS-CAPS-C
Weather Sealed✓★—
Weight0.54 kg0.14 kg★
Filter Thread67 mm—
AF & Stabilization
AF TypeHLA (High-response Linear Actuator)manual focus only
Stabilization✗✗
Focus
Min Focus Distance280 mm80 mm★
Max Magnification1:4.81:9.09

Pros & Cons

Sigma Art 17-40mm f/1.8 DC

  • Strong user sentiment (98th percentile)98th %ile
  • Strong bokeh (97th percentile)97th %ile
  • Strong optical (97th percentile)97th %ile
  • Strong aperture (95th percentile)95th %ile
  • Below average stabilization (35th percentile)

Laowa 4mm f/2.8 Fisheye 4mm

  • Strong macro (92nd percentile)92nd %ile
  • Strong build (89th percentile)89th %ile
  • Below average optical (4th percentile)4th %ile
  • Below average af (15th percentile)15th %ile
  • Below average user sentiment (17th percentile)17th %ile
  • Below average bokeh (32nd percentile)

Pricing

Laowa 4mm f/2.8 Fisheye 4mm is ¥115,712 cheaper (3.4x less).

Sigma Art 17-40mm f/1.8 DC

Laowa 4mm f/2.8 Fisheye 4mm

Verdict

★ Winner: Sigma Art 17-40mm f/1.8 DC

Scores 96 overall, wins 9 of 9 usage categories and 4 of 21 specs.

Sigma Art 17-40mm f/1.8 DC Better at:

MacroBudgetStreetTravelPortraitLandscapeProfessionalVideo CinemaWildlife Sports

Also Consider