Canon RF 28-70mm f/2.8 IS STM

Canon RF 28-70mm f/2.8 IS STM

Canon
88 Overall Score
vs
Sigma APO DG OS HSM 737306 150-500mm

Sigma APO DG OS HSM 737306 150-500mm

Sigma
65 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 APO DG OS HSM 737306 150-500mm

85 out of 100 low confidence 9 reviews

Users are overwhelmingly positive about this Sigma 150-500mm lens, praising its excellent image quality, sharpness, and value for money compared to expensive Nikon alternatives. Many note it is heavy and requires good technique, especially at 500mm, but the optical stabilization works well. A few mention autofocus issues over time or in low light, and the f/6.3 aperture limits indoor use, but overall it is highly recommended for wildlife and outdoor sports photography.

Pros
  • Excellent image quality and sharpness
  • Great value for money
  • Effective optical stabilization
  • Solid build quality
  • Good autofocus speed
Cons
  • Heavy and bulky
  • Soft at 500mm end
  • f/6.3 aperture limits low-light use
  • Autofocus issues in low light
  • Autofocus may fail over time
👍 Image quality 8
👍 Value for money 6
👍 Build quality 5
👎 Weight and size 5
👍 Optical stabilization 5
🤔 Autofocus performance 6

Scores

Professional
Canon
92
Sigma
54
Video Cinema
Canon
90
Sigma
60
Portrait
Canon
88
Sigma
71
Travel
Canon
87
Sigma
50
Street
Canon
84
Sigma
59
Wildlife Sports
Canon
82
Sigma
57
Landscape
Canon
80
Sigma
60
Budget
Canon
79
Sigma
65
Macro
Canon
70
Sigma
49

Specifications

Canon RF 28-70mm f/2.8 IS STMSigma APO DG OS HSM 737306 150-500mm
Optics
Typezoomtelephoto
Focal Length Min28 mm150 mm
Focal Length Max70 mm500 mm
Elements1421
Groups1115
Aspherical Elements2★—
ED Elements23★
CoatingSuper Spectra Coating (SSC)super multi-layer lens coating
Aperture
Max Aperturef/2.8f/5
Min Aperturef/2.85-6.3
Constant✓★✗
Diaphragm Blades—9★
Build
MountCanon RFNikon F
Formatfull-framefull-frame
Weather Sealed✓★—
Weight0.49 kg★1.91 kg
Filter Thread67 mm—
AF & Stabilization
AF TypeSTM★HSM (Hyper Sonic Motor)
Stabilization✓✓
Stabilization Stops5.5 stops★4 stops
Focus
Min Focus Distance270 mm★—
Max Magnification0.24x★—

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 APO DG OS HSM 737306 150-500mm

  • Strong optical (94th percentile)94th %ile
  • Strong stabilization (92nd percentile)92nd %ile
  • Strong versatility (84th percentile)84th %ile
  • Strong bokeh (80th percentile)80th %ile
  • Below average build (1st percentile)1st %ile
  • Below average macro (12th percentile)12th %ile

Verdict

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

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

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

MacroBudgetStreetTravelPortraitLandscapeProfessionalVideo CinemaWildlife Sports