Sigma Art 17-40mm f/1.8 DC

Sigma Art 17-40mm f/1.8 DC

Sigma
96 Overall Score
vs
Pentax Star-series 16-50mm f/2.8 ED PLM AW

Pentax Star-series 16-50mm f/2.8 ED PLM AW

Pentax
50 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

Pentax Star-series 16-50mm f/2.8 ED PLM AW

No customer feedback yet

Scores

Portrait
Sigma
93
Pentax
41
Video Cinema
Sigma
89
Pentax
48
Professional
Sigma
89
Pentax
58
Budget
Sigma
87
Pentax
51
Macro
Sigma
82
Pentax
48
Travel
Sigma
81
Pentax
55
Street
Sigma
79
Pentax
46
Landscape
Sigma
79
Pentax
69
Wildlife Sports
Sigma
68
Pentax
49

Specifications

Sigma Art 17-40mm f/1.8 DCPentax Star-series 16-50mm f/2.8 ED PLM AW
Optics
Typezoomzoom
Focal Length Min17 mm16 mm
Focal Length Max40 mm50 mm
Elements1716
Groups1110
Aspherical Elements4★2
ED Elements4★3
CoatingSuper Multi-Layer CoatingHD Coating
Aperture
Max Aperturef/1.8f/22
Min Aperturef/1.8f/2.8
Constant✓✓
Diaphragm Blades11★9
Build
MountFujifilm XPentax K
FormatAPS-CAPS-C
Weather Sealed✓✓
Weight0.54 kg★0.71 kg
Filter Thread67 mm77 mm
AF & Stabilization
AF TypeHLA (High-response Linear Actuator)PLM (Pulse Motor)
Stabilization✗✗
Focus
Min Focus Distance280 mm★300 mm
Max Magnification1:4.8★0.24x

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 (34th percentile)

Pentax Star-series 16-50mm f/2.8 ED PLM AW

  • Strong optical (89th percentile)89th %ile
  • Strong versatility (83rd percentile)83rd %ile
  • Below average aperture (22nd percentile)
  • Below average bokeh (25th percentile)
  • Below average stabilization (34th percentile)

Pricing

Sigma Art 17-40mm f/1.8 DC is CA$676 cheaper (1.5x less).

Sigma Art 17-40mm f/1.8 DC0.077score per dollar
vs
Pentax Star-series 16-50mm f/2.8 ED PLM AW0.026score per dollar

Sigma Art 17-40mm f/1.8 DC offers 3.0x better value for money

Sigma Art 17-40mm f/1.8 DC

Pentax Star-series 16-50mm f/2.8 ED PLM AW

Verdict

★ Winner: Sigma Art 17-40mm f/1.8 DC

Scores 96 overall, wins 9 of 9 usage categories and 6 of 21 specs.

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

MacroBudgetStreetTravelPortraitLandscapeProfessionalVideo CinemaWildlife Sports

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