Canon RF 28-70mm f/2.8 IS STM

Canon RF 28-70mm f/2.8 IS STM

Canon
86 Overall Score
vs
Sigma Contemporary 50mm f/2 DG 50mm

Sigma Contemporary 50mm f/2 DG 50mm

Sigma
40 Overall Score

Scores

Macro
Canon
95
Sigma
31
Video Cinema
Canon
82
Sigma
44
Budget
Canon
79
Sigma
38
Landscape
Canon
79
Sigma
45
Travel
Canon
78
Sigma
41
Professional
Canon
77
Sigma
51
Wildlife Sports
Canon
75
Sigma
43
Street
Canon
66
Sigma
45
Portrait
Canon
49
Sigma
35

Specifications

Canon RF 28-70mm f/2.8 IS STMSigma Contemporary 50mm f/2 DG 50mm
Optics
Typezoomprime
Focal Length Min28 mm50 mm
Focal Length Max70 mm50 mm
Elements1511
Groups129
Aspherical Elements23★
ED Elements2★1
CoatingSuper Spectra Coating (SSC)Super Multi-Layer Coating
Aperture
Max Aperturef/22f/22
Min Aperturef/2.8f/2
Constant✓✓
Diaphragm Blades99
Build
MountCanon RFL-Mount
Formatfull-framefull-frame
Weather Sealed✓✓
Weight0.49 kg0.35 kg★
Filter Thread67 mm58 mm
AF & Stabilization
AF TypeSTM★Autofocus
Stabilization✓★✗
Stabilization Stops5.5 stops★—
Focus
Min Focus Distance239 mm★450 mm
Max Magnification1:4.2★0.0007743056

Pros & Cons

Canon RF 28-70mm f/2.8 IS STM

  • Strong stabilization (99th percentile)99th %ile
  • Strong user sentiment (98th percentile)98th %ile
  • Strong social proof (90th percentile)90th %ile
  • Strong af (87th percentile)87th %ile
  • Below average aperture (20th percentile)20th %ile
  • Below average bokeh (23rd percentile)

Sigma Contemporary 50mm f/2 DG 50mm

  • Strong build (82nd percentile)82nd %ile
  • Strong optical (76th percentile)
  • Below average macro (14th percentile)14th %ile
  • Below average social proof (16th percentile)16th %ile
  • Below average aperture (20th percentile)20th %ile
  • Below average bokeh (23rd percentile)

Verdict

★ Winner: Canon RF 28-70mm f/2.8 IS STM

Scores 86 overall, wins 9 of 9 usage categories and 6 of 22 specs.

Canon RF 28-70mm f/2.8 IS STM Better at:

MacroBudgetStreetTravelPortraitLandscapeProfessionalVideo CinemaWildlife Sports