Tamron Di III 70-300mm f/4.5-6.3 Di III RXD

Tamron Di III 70-300mm f/4.5-6.3 Di III RXD

Tamron
55 Overall Score
vs
Canon RF 28-70mm f/2.8 IS STM

Canon RF 28-70mm f/2.8 IS STM

Canon
89 Overall Score

Scores

Macro
Tamron
47
Canon
91
Landscape
Tamron
65
Canon
83
Video Cinema
Tamron
38
Canon
83
Professional
Tamron
47
Canon
82
Travel
Tamron
70
Canon
82
Budget
Tamron
62
Canon
80
Wildlife Sports
Tamron
57
Canon
79
Street
Tamron
43
Canon
68
Portrait
Tamron
29
Canon
53

Specifications

Tamron Di III 70-300mm f/4.5-6.3 Di III RXDCanon RF 28-70mm f/2.8 IS STM
Optics
Typetelephotozoom
Focal Length Min70 mm28 mm
Focal Length Max300 mm70 mm
Elements1515
Groups1012
Aspherical Elements—2★
ED Elements12★
CoatingBBAR (Broad-Band Anti-Reflection) CoatingSuper Spectra Coating (SSC)
Aperture
Max Aperturef/32f/22
Min Aperture4.5-6.3f/2.8
Constant✗✓★
Diaphragm Blades79★
Build
MountNikon ZCanon RF
Formatfull-framefull-frame
Weather Sealed✓✓
Weight0.54 kg0.49 kg★
Filter Thread67 mm67 mm
AF & Stabilization
AF TypeRXDSTM★
Stabilization✗✓★
Stabilization Stops—5.5 stops★
Focus
Min Focus Distance800 mm239 mm★
Max Magnification1:5.11:4.2

Pros & Cons

Tamron Di III 70-300mm f/4.5-6.3 Di III RXD

  • Strong versatility (90th percentile)90th %ile
  • Strong social proof (85th percentile)85th %ile
  • Strong optical (72nd percentile)
  • Strong build (70th percentile)
  • Below average bokeh (3rd percentile)3rd %ile
  • Below average aperture (5th percentile)5th %ile

Canon RF 28-70mm f/2.8 IS STM

  • Strong stabilization (99th percentile)99th %ile
  • Strong user sentiment (98th percentile)98th %ile
  • Strong social proof (89th percentile)89th %ile
  • Strong af (87th percentile)87th %ile
  • Below average aperture (21st percentile)
  • Below average bokeh (24th percentile)

Pricing

Tamron Di III 70-300mm f/4.5-6.3 Di III RXD is $721 cheaper (3.0x less).

Tamron Di III 70-300mm f/4.5-6.3 Di III RXD0.148score per dollar
vs
Canon RF 28-70mm f/2.8 IS STM0.081score per dollar

Tamron Di III 70-300mm f/4.5-6.3 Di III RXD offers 1.8x better value for money

Tamron Di III 70-300mm f/4.5-6.3 Di III RXD

Best Buy
$369
Newegg
$390
Adorama
$399
Amazon
$399
B&H Photo
$499

Canon RF 28-70mm f/2.8 IS STM

Newegg
$1,090
Best Buy
$1,099
B&H Photo
$1,099
Adorama
$1,099
Amazon
$1,149

Verdict

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

Scores 89 overall, wins 9 of 9 usage categories and 9 of 22 specs.

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

MacroBudgetStreetTravelPortraitLandscapeProfessionalVideo CinemaWildlife Sports

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View Details & Prices: Tamron Di III 70-300mm f/4.5-6.3 Di III RXD View Details & Prices: Canon RF 28-70mm f/2.8 IS STM