Sigma Contemporary 18-50mm f/2.8 DC DN

Sigma Contemporary 18-50mm f/2.8 DC DN

Sigma
98 Overall Score
vs
Artra Lab Oculilumen 7.5mm f/2.8 Fisheye 8mm

Artra Lab Oculilumen 7.5mm f/2.8 Fisheye 8mm

Artra Lab
49 Overall Score

Scores

Travel
Sigma
100
Artra Lab
34
Street
Sigma
98
Artra Lab
34
Budget
Sigma
97
Artra Lab
44
Professional
Sigma
92
Artra Lab
30
Macro
Sigma
88
Artra Lab
62
Video Cinema
Sigma
86
Artra Lab
28
Portrait
Sigma
85
Artra Lab
31
Landscape
Sigma
77
Artra Lab
34
Wildlife Sports
Sigma
77
Artra Lab
24

Specifications

Sigma Contemporary 18-50mm f/2.8 DC DNArtra Lab Oculilumen 7.5mm f/2.8 Fisheye 8mm
Optics
Typezoomfisheye
Focal Length Min18 mm8 mm
Focal Length Max50 mm8 mm
Elements139
Groups108
Aspherical Elements3★—
ED Elements1★—
CoatingSuper Multi-Layer CoatingMultilayer Nano Coating
Aperture
Max Aperturef/2.8f/22
Min Aperturef/2.8f/2.8
Constant✓★✗
Diaphragm Blades710★
Build
MountSony ENikon Z
FormatAPS-CAPS-C
Weather Sealed✓★—
Weight0.29 kg★0.32 kg
Filter Thread55 mm—
AF & Stabilization
AF Typestepping motor★manual focus only
Stabilization✗✗
Focus
Min Focus Distance121 mm120 mm★
Max Magnification1:2.8★—

Pros & Cons

Sigma Contemporary 18-50mm f/2.8 DC DN

  • Strong macro (92nd percentile)92nd %ile
  • Strong social proof (90th percentile)90th %ile
  • Strong af (87th percentile)87th %ile
  • Strong build (86th percentile)86th %ile

Artra Lab Oculilumen 7.5mm f/2.8 Fisheye 8mm

  • Strong social proof (99th percentile)99th %ile
  • Strong macro (92nd percentile)92nd %ile
  • Below average af (13th percentile)13th %ile
  • Below average aperture (20th percentile)20th %ile
  • Below average bokeh (31st percentile)
  • Below average versatility (34th percentile)

Pricing

Artra Lab Oculilumen 7.5mm f/2.8 Fisheye 8mm is $320 cheaper (2.3x less).

Sigma Contemporary 18-50mm f/2.8 DC DN

Artra Lab Oculilumen 7.5mm f/2.8 Fisheye 8mm

Verdict

★ Winner: Sigma Contemporary 18-50mm f/2.8 DC DN

Scores 98 overall, wins 9 of 9 usage categories and 7 of 21 specs.

Sigma Contemporary 18-50mm f/2.8 DC DN Better at:

MacroBudgetStreetTravelPortraitLandscapeProfessionalVideo CinemaWildlife Sports

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