Canon RF 28-70mm f/2.8 IS STM

Canon RF 28-70mm f/2.8 IS STM

Canon
88 Overall Score
vs
Sigma Contemporary 18-300mm F3.5-6.3 DC Macro OS HSM

Sigma Contemporary 18-300mm F3.5-6.3 DC Macro OS HSM

Sigma
73 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 Contemporary 18-300mm F3.5-6.3 DC Macro OS HSM

No customer feedback yet

Scores

Professional
Canon
92
Sigma
64
Video Cinema
Canon
90
Sigma
66
Portrait
Canon
89
Sigma
79
Travel
Canon
84
Sigma
57
Street
Canon
83
Sigma
66
Budget
Canon
82
Sigma
73
Wildlife Sports
Canon
82
Sigma
58
Macro
Canon
70
Sigma
81
Landscape
Canon
77
Sigma
64

Specifications

Canon RF 28-70mm f/2.8 IS STMSigma Contemporary 18-300mm F3.5-6.3 DC Macro OS HSM
Optics
Typezoomzoom
Focal Length Min28 mm18 mm
Focal Length Max70 mm300 mm
Elements1417
Groups1113
Aspherical Elements2★0
ED Elements25★
CoatingSuper Spectra Coating (SSC)Super Multi-Layer Coating
Aperture
Max Aperturef/2.8f/3.5
Min Aperturef/2.83.5-6.3
Constant✓★✗
Build
MountCanon RFCanon EF
Formatfull-frame★APS-C
Weather Sealed✓★—
Weight0.49 kg★0.58 kg
Filter Thread67 mm72 mm
AF & Stabilization
AF TypeSTM★HSM
Stabilization✓✓
Stabilization Stops5.5 stops★—
Focus
Min Focus Distance270 mm★390 mm
Max Magnification0.24x1:2★

Pros & Cons

Canon RF 28-70mm f/2.8 IS STM

  • Strong stabilization (98th percentile)98th %ile
  • Strong aperture (88th percentile)88th %ile
  • Strong bokeh (86th percentile)86th %ile
  • Strong user sentiment (86th percentile)86th %ile

Sigma Contemporary 18-300mm F3.5-6.3 DC Macro OS HSM

  • Strong versatility (99th percentile)99th %ile
  • Strong optical (91st percentile)91st %ile
  • Strong aperture (82nd percentile)82nd %ile
  • Strong bokeh (80th percentile)80th %ile

Verdict

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

Scores 88 overall, wins 8 of 9 usage categories and 8 of 21 specs.

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

BudgetStreetTravelPortraitLandscapeProfessionalVideo CinemaWildlife Sports

Sigma Contemporary 18-300mm F3.5-6.3 DC Macro OS HSM Better at:

Macro