Canon RF 28-70mm f/2.8 IS STM

Canon RF 28-70mm f/2.8 IS STM

Canon
88 Overall Score
vs
Sigma Art 135mm f/1.4 DG Art 135mm

Sigma Art 135mm f/1.4 DG Art 135mm

Sigma
51 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 Art 135mm f/1.4 DG Art 135mm

85 out of 100 low confidence 8 reviews

Users are overwhelmingly positive about this Sigma 135mm f/1.4 Art lens, praising its exceptional sharpness, beautiful bokeh, and performance for sports photography. A few note it is slightly heavy and one mentions muted colors and focus hunting in low light, but overall it is considered a top-tier lens.

Pros
  • Exceptional sharpness
  • Beautiful creamy bokeh
  • Great for sports photography
  • Brighter than advertised
  • Fast and accurate autofocus
Cons
  • Slightly heavy
  • Muted colors in raw files
  • Focus hunting in low light
  • Less contrasty than competitors
👍 Sharpness 3
👍 Bokeh 3
👍 Sports photography 2
👍 Brightness 2
👎 Weight 2
🤔 Autofocus performance 2

Scores

Professional
Canon
92
Sigma
57
Video Cinema
Canon
90
Sigma
56
Portrait
Canon
88
Sigma
61
Travel
Canon
87
Sigma
35
Street
Canon
84
Sigma
49
Wildlife Sports
Canon
82
Sigma
41
Landscape
Canon
80
Sigma
49
Budget
Canon
79
Sigma
46
Macro
Canon
70
Sigma
52

Specifications

Canon RF 28-70mm f/2.8 IS STMSigma Art 135mm f/1.4 DG Art 135mm
Optics
Typezoomprime
Focal Length Min28 mm135 mm
Focal Length Max70 mm135 mm
Elements1417
Groups1113
Aspherical Elements22
ED Elements24★
CoatingSuper Spectra Coating (SSC)Water & Oil-Repellent Coating
Aperture
Max Aperturef/2.8f/16
Min Aperturef/2.8f/1.4
Constant✓✓
Diaphragm Blades—13★
Build
MountCanon RFSony E
Formatfull-framefull-frame
Weather Sealed✓✓
Weight0.49 kg★1.43 kg
Filter Thread67 mm105 mm
AF & Stabilization
AF TypeSTM★HLA-Driven High-Speed AF Motor
Stabilization✓★✗
Stabilization Stops5.5 stops★—
Focus
Min Focus Distance270 mm★1.10 m
Max Magnification0.24x1:6.9★

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 Art 135mm f/1.4 DG Art 135mm

  • Strong optical (95th percentile)95th %ile
  • Strong user sentiment (66th percentile)
  • Below average build (18th percentile)18th %ile
  • Below average versatility (33rd percentile)
  • Below average stabilization (34th percentile)

Pricing

Canon RF 28-70mm f/2.8 IS STM is $800 cheaper (1.7x less).

Canon RF 28-70mm f/2.8 IS STM0.080score per dollar
vs
Sigma Art 135mm f/1.4 DG Art 135mm0.027score per dollar

Canon RF 28-70mm f/2.8 IS STM offers 3.0x better value for money

Sigma Art 135mm f/1.4 DG Art 135mm

Verdict

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

Scores 88 overall, wins 9 of 9 usage categories and 5 of 22 specs.

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

MacroBudgetStreetTravelPortraitLandscapeProfessionalVideo CinemaWildlife Sports

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