Canon RF 28-70mm f/2.8 IS STM

Canon RF 28-70mm f/2.8 IS STM

Canon
88 Overall Score
vs
Sigma EX DC 10mm f/2.8 EX DC HSM Fisheye 10mm

Sigma EX DC 10mm f/2.8 EX DC HSM Fisheye 10mm

Sigma
60 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 EX DC 10mm f/2.8 EX DC HSM Fisheye 10mm

No customer feedback yet

Scores

Professional
Canon
92
Sigma
58
Video Cinema
Canon
90
Sigma
59
Portrait
Canon
88
Sigma
70
Travel
Canon
87
Sigma
46
Street
Canon
84
Sigma
68
Wildlife Sports
Canon
82
Sigma
43
Landscape
Canon
80
Sigma
37
Budget
Canon
79
Sigma
49
Macro
Canon
70
Sigma
65

Specifications

Canon RF 28-70mm f/2.8 IS STMSigma EX DC 10mm f/2.8 EX DC HSM Fisheye 10mm
Optics
Typezoomfisheye
Focal Length Min28 mm10 mm
Focal Length Max70 mm10 mm
Elements14—
Groups11—
Aspherical Elements2★—
ED Elements2★—
CoatingSuper Spectra Coating (SSC)Super Multi-Layer Coating
Aperture
Max Aperturef/2.8f/2.8
Min Aperturef/2.8f/2.8
Constant✓✓
Build
MountCanon RFSigma
Formatfull-frame★APS-C
Weather Sealed✓★—
Weight0.49 kg0.10 kg★
Filter Thread67 mm—
AF & Stabilization
AF TypeSTM★HSM
Stabilization✓★—
Stabilization Stops5.5 stops★—
Focus
Min Focus Distance270 mm135 mm★
Max Magnification0.24x1:3.3★

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 EX DC 10mm f/2.8 EX DC HSM Fisheye 10mm

  • Strong build (95th percentile)95th %ile
  • Strong aperture (88th percentile)88th %ile
  • Strong macro (88th percentile)88th %ile
  • Strong bokeh (87th percentile)87th %ile
  • Below average social proof (21st percentile)
  • Below average versatility (33rd percentile)
  • Below average stabilization (34th percentile)

Verdict

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

Scores 88 overall, wins 9 of 9 usage categories and 7 of 21 specs.

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

MacroBudgetStreetTravelPortraitLandscapeProfessionalVideo CinemaWildlife Sports