Canon EF 400mm f/2.8L IS III USM 400mm

Canon EF 400mm f/2.8L IS III USM 400mm

Canon
72 Overall Score
vs
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD

Tamron Di III 17-70mm f/2.8 Di III-A VC RXD

Tamron
100 Overall Score

Scores

Video Cinema
Canon
84
Tamron
99
Professional
Canon
87
Tamron
97
Budget
Canon
67
Tamron
97
Travel
Canon
47
Tamron
92
Macro
Canon
65
Tamron
92
Portrait
Canon
87
Tamron
91
Landscape
Canon
62
Tamron
89
Street
Canon
73
Tamron
81
Wildlife Sports
Canon
74
Tamron
80

Specifications

Canon EF 400mm f/2.8L IS III USM 400mmTamron Di III 17-70mm f/2.8 Di III-A VC RXD
Optics
Typesuper-telephotozoom
Focal Length Min400 mm17 mm
Focal Length Max400 mm70 mm
Elements1716
Groups1312
Aspherical Elements23★
ED Elements3★2
CoatingSuper Spectra and Air Sphere CoatingsFluorine Coating
Aperture
Max Aperturef/2.8f/2.8
Min Aperturef/2.8f/2.8
Constant✓✓
Diaphragm Blades99
Build
MountCanon EFFujifilm X
Formatfull-frame★APS-C
Weather Sealed✓✓
Weight2.84 kg0.54 kg★
Filter Thread52 mm67 mm
AF & Stabilization
AF TypeUSM★RXD
Stabilization✓✓
Stabilization Stops5.5 stops★—
Focus
Min Focus Distance2.50 m190 mm★
Max Magnification1:5.91:4.8

Pros & Cons

Canon EF 400mm f/2.8L IS III USM 400mm

  • Strong stabilization (99th percentile)99th %ile
  • Strong af (94th percentile)94th %ile
  • Strong optical (93rd percentile)93rd %ile
  • Strong bokeh (87th percentile)87th %ile
  • Below average build (10th percentile)10th %ile
  • Below average versatility (33rd percentile)
  • Below average macro (35th percentile)

Tamron Di III 17-70mm f/2.8 Di III-A VC RXD

  • Strong optical (91st percentile)91st %ile
  • Strong versatility (89th percentile)89th %ile
  • Strong bokeh (87th percentile)87th %ile
  • Strong macro (86th percentile)86th %ile

Pricing

Tamron Di III 17-70mm f/2.8 Di III-A VC RXD is $12,809 cheaper (22.7x less).

Canon EF 400mm f/2.8L IS III USM 400mm0.005score per dollar
vs
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD0.170score per dollar

Tamron Di III 17-70mm f/2.8 Di III-A VC RXD offers 34.0x better value for money

Canon EF 400mm f/2.8L IS III USM 400mm

Amazon
$13,399
Adorama
$13,399

Tamron Di III 17-70mm f/2.8 Di III-A VC RXD

Newegg
refurbished$575
Newegg
$590
Adorama
$599
Best Buy
$600
Amazon
$699

Verdict

★ Winner: Tamron Di III 17-70mm f/2.8 Di III-A VC RXD

Scores 100 overall, wins 9 of 9 usage categories and 3 of 22 specs.

Tamron Di III 17-70mm f/2.8 Di III-A VC RXD Better at:

MacroBudgetStreetTravelPortraitLandscapeProfessionalVideo CinemaWildlife Sports

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View Details & Prices: Canon EF 400mm f/2.8L IS III USM 400mm View Details & Prices: Tamron Di III 17-70mm f/2.8 Di III-A VC RXD