Canon RF 10-20mm f/4 L IS STM

Canon RF 10-20mm f/4 L IS STM

Canon
68 Overall Score
vs
Tamron Di III VXD 20-40mm f/2.8 Di III VXD

Tamron Di III VXD 20-40mm f/2.8 Di III VXD

Tamron
84 Overall Score

Scores

Professional
Canon
73
Tamron
88
Macro
Canon
64
Tamron
85
Street
Canon
60
Tamron
84
Budget
Canon
71
Tamron
82
Landscape
Canon
82
Tamron
70
Video Cinema
Canon
79
Tamron
81
Portrait
Canon
48
Tamron
81
Wildlife Sports
Canon
71
Tamron
75
Travel
Canon
64
Tamron
70

Specifications

Canon RF 10-20mm f/4 L IS STMTamron Di III VXD 20-40mm f/2.8 Di III VXD
Optics
Typezoomzoom
Focal Length Min10 mm20 mm
Focal Length Max20 mm40 mm
Elements1612
Groups1211
Aspherical Elements3★1
ED Elements44
CoatingAir Sphere and SWC Coatingsfluorine-coated front element
Aperture
Max Aperturef/22f/2.8
Min Aperturef/4f/2.8
Constant✓✓
Diaphragm Blades9★—
Build
MountCanon RFSony E
Formatfull-framefull-frame
Weather Sealed✓✓
Weight0.57 kg0.37 kg★
Filter Thread—67 mm
AF & Stabilization
AF TypeSTMVXD linear motor★
Stabilization✓★✗
Stabilization Stops5 stops★—
Focus
Min Focus Distance250 mm170 mm★
Max Magnification0.12x1:3.8★

Pros & Cons

Canon RF 10-20mm f/4 L IS STM

  • Strong stabilization (97th percentile)97th %ile
  • Strong optical (96th percentile)96th %ile
  • Strong af (87th percentile)87th %ile
  • Strong social proof (73rd percentile)
  • Below average aperture (20th percentile)20th %ile
  • Below average bokeh (23rd percentile)

Tamron Di III VXD 20-40mm f/2.8 Di III VXD

  • Strong af (98th percentile)98th %ile
  • Strong macro (88th percentile)88th %ile
  • Strong aperture (84th percentile)84th %ile
  • Strong optical (82nd percentile)82nd %ile
  • Below average social proof (29th percentile)

Pricing

Tamron Di III VXD 20-40mm f/2.8 Di III VXD is £1,221 cheaper (3.2x less).

Canon RF 10-20mm f/4 L IS STM0.038score per dollar
vs
Tamron Di III VXD 20-40mm f/2.8 Di III VXD0.148score per dollar

Tamron Di III VXD 20-40mm f/2.8 Di III VXD offers 3.9x better value for money

Canon RF 10-20mm f/4 L IS STM

Amazon.co.uk
£1,789

Tamron Di III VXD 20-40mm f/2.8 Di III VXD

Amazon.co.uk
£568

Verdict

★ Winner: Tamron Di III VXD 20-40mm f/2.8 Di III VXD

Scores 84 overall, wins 8 of 9 usage categories and 4 of 22 specs.

Canon RF 10-20mm f/4 L IS STM Better at:

Landscape

Tamron Di III VXD 20-40mm f/2.8 Di III VXD Better at:

MacroBudgetStreetTravelPortraitProfessionalVideo CinemaWildlife Sports

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View Details & Prices: Canon RF 10-20mm f/4 L IS STM View Details & Prices: Tamron Di III VXD 20-40mm f/2.8 Di III VXD