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 56mm f/1.4 DC DN 56mm

Sigma Contemporary 56mm f/1.4 DC DN 56mm

Sigma
60 Overall Score

Scores

Macro
Canon
95
Sigma
80
Video Cinema
Canon
82
Sigma
69
Budget
Canon
79
Sigma
52
Landscape
Canon
79
Sigma
42
Travel
Canon
78
Sigma
32
Professional
Canon
77
Sigma
69
Portrait
Canon
49
Sigma
76
Wildlife Sports
Canon
75
Sigma
56
Street
Canon
66
Sigma
60

Specifications

Canon RF 28-70mm f/2.8 IS STMSigma Contemporary 56mm f/1.4 DC DN 56mm
Optics
Typezoomtelephoto
Focal Length Min28 mm56 mm
Focal Length Max70 mm56 mm
Elements15—
Groups12—
Aspherical Elements22
ED Elements2★1
CoatingSuper Spectra Coating (SSC)Super Multilayer Coating
Aperture
Max Aperturef/22f/1.4
Min Aperturef/2.8f/1.4
Constant✓✓
Diaphragm Blades99
Build
MountCanon RFSony E
Formatfull-frame★APS-C
Weather Sealed✓✓
Weight0.49 kg★1.67 kg
Filter Thread67 mm—
AF & Stabilization
AF TypeSTM★Stepping Motor
Stabilization✓✓
Stabilization Stops5.5 stops★—
Focus
Min Focus Distance239 mm56 mm★
Max Magnification1:4.2★—

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 56mm f/1.4 DC DN 56mm

  • Strong bokeh (97th percentile)97th %ile
  • Strong aperture (96th percentile)96th %ile
  • Strong macro (96th percentile)96th %ile
  • Strong af (87th percentile)87th %ile
  • Below average build (5th percentile)5th %ile
  • Below average social proof (7th percentile)7th %ile
  • Below average versatility (34th percentile)

Pricing

Sigma Contemporary 56mm f/1.4 DC DN 56mm is $610 cheaper (2.3x less).

Canon RF 28-70mm f/2.8 IS STM0.079score per dollar
vs
Sigma Contemporary 56mm f/1.4 DC DN 56mm0.125score per dollar

Sigma Contemporary 56mm f/1.4 DC DN 56mm offers 1.6x better value for money

Canon RF 28-70mm f/2.8 IS STM

Newegg
$1,090
Adorama
$1,099
B&H Photo
$1,099
Amazon
$1,149
Best Buy
$1,149

Sigma Contemporary 56mm f/1.4 DC DN 56mm

Best Buy
$480
Amazon
$564

Verdict

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

Scores 86 overall, wins 8 of 9 usage categories and 6 of 22 specs.

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

MacroBudgetStreetTravelLandscapeProfessionalVideo CinemaWildlife Sports

Sigma Contemporary 56mm f/1.4 DC DN 56mm Better at:

Portrait

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View Details & Prices: Canon RF 28-70mm f/2.8 IS STM View Details & Prices: Sigma Contemporary 56mm f/1.4 DC DN 56mm