Canon RF 28-70mm f/2.8 IS STM

Canon RF 28-70mm f/2.8 IS STM

Canon
88 Overall Score
vs
Sigma DC 17-70mm f/2.8-4.5 DC HSM Macro

Sigma DC 17-70mm f/2.8-4.5 DC HSM Macro

Sigma
52 Overall Score

What Buyers Say

Canon RF 28-70mm f/2.8 IS STM

90 out of 100 medium confidence 13 reviews

The Canon RF 24-70mm f/2.8L IS USM lens receives overwhelmingly positive feedback for its sharpness, fast autofocus, and lightweight design. Users appreciate it as a versatile upgrade from kit lenses, especially for mirrorless cameras like the R7 and R5 Mark II. A single negative review is due to a delivery issue, not product quality.

Pros
  • Sharp image quality
  • Fast and accurate autofocus
  • Lightweight and compact design
  • Great value for the price
  • Versatile for various settings
Cons
  • Possible delivery mismanagement
👍 Image quality 4
👍 Autofocus performance 3
👍 Weight and portability 6
👍 Value for money 4
👍 Versatility 2
👎 Delivery experience 1

Sigma DC 17-70mm f/2.8-4.5 DC HSM Macro

No customer feedback yet

Scores

Professional
Canon
92
Sigma
43
Video Cinema
Canon
90
Sigma
39
Portrait
Canon
88
Sigma
37
Travel
Canon
87
Sigma
53
Street
Canon
84
Sigma
46
Wildlife Sports
Canon
82
Sigma
41
Landscape
Canon
80
Sigma
55
Budget
Canon
79
Sigma
51
Macro
Canon
70
Sigma
71

Specifications

Canon RF 28-70mm f/2.8 IS STMSigma DC 17-70mm f/2.8-4.5 DC HSM Macro
Optics
Typezoommacro
Focal Length Min28 mm17 mm
Focal Length Max70 mm70 mm
Elements1415
Groups1112
Aspherical Elements22
ED Elements2★1
CoatingSuper Spectra Coating (SSC)multilayer lens coating
Aperture
Max Aperturef/2.8f/22
Min Aperturef/2.82.8-4.5
Constant✓★✗
Diaphragm Blades—7★
Build
MountCanon RFNikon F
Formatfull-frame★APS-C
Weather Sealed✓★—
Weight0.49 kg0.45 kg★
Filter Thread67 mm72 mm
AF & Stabilization
AF TypeSTM★HSM (Hyper-Sonic Motor)
Stabilization✓★—
Stabilization Stops5.5 stops★—
Focus
Min Focus Distance270 mm200 mm★
Max Magnification0.24x1:2.3★

Pros & Cons

Canon RF 28-70mm f/2.8 IS STM

  • Strong stabilization (98th percentile)98th %ile
  • Strong aperture (88th percentile)88th %ile
  • Strong user sentiment (88th percentile)88th %ile
  • Strong bokeh (87th percentile)87th %ile

Sigma DC 17-70mm f/2.8-4.5 DC HSM Macro

  • Strong versatility (90th percentile)90th %ile
  • Strong optical (84th percentile)84th %ile
  • Strong macro (81st percentile)81st %ile
  • Below average bokeh (14th percentile)14th %ile
  • Below average aperture (22nd percentile)
  • Below average stabilization (34th percentile)

Pricing

Sigma DC 17-70mm f/2.8-4.5 DC HSM Macro is $600 cheaper (2.2x less).

Canon RF 28-70mm f/2.8 IS STM0.080score per dollar
vs
Sigma DC 17-70mm f/2.8-4.5 DC HSM Macro0.104score per dollar

Sigma DC 17-70mm f/2.8-4.5 DC HSM Macro offers 1.3x better value for money

Sigma DC 17-70mm f/2.8-4.5 DC HSM Macro

Verdict

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

Scores 88 overall, wins 8 of 9 usage categories and 7 of 22 specs.

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

BudgetStreetTravelPortraitLandscapeProfessionalVideo CinemaWildlife Sports

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