Canon L EF 17-40mm f/4L USM

Canon L EF 17-40mm f/4L USM

Canon
61 Overall Score
vs
Tamron Di III 50-400mm f/4.5-6.3 Di III VC VXD

Tamron Di III 50-400mm f/4.5-6.3 Di III VC VXD

Tamron
83 Overall Score

What Buyers Say

Canon L EF 17-40mm f/4L USM

No customer feedback yet

Tamron Di III 50-400mm f/4.5-6.3 Di III VC VXD

85 out of 100 high confidence 33 reviews

The Tamron 50-400mm f/4.5-6.3 Di III VC VXD is widely praised for its versatile zoom range, sharp image quality, and excellent value for money. Users highlight its usefulness for wildlife, sports, and travel photography, though some note it is heavier than expected and the maximum aperture limits low-light performance. A few Sony users reported issues with image stabilization when paired with certain camera bodies, but overall sentiment is very positive.

Pros
  • Versatile 50-400mm zoom range
  • Sharp image quality
  • Excellent value for money
  • Good build quality
  • Fast and quiet autofocus
Cons
  • Heavier than expected
  • Limited low-light performance due to small aperture
  • Image stabilization issues with some Sony bodies
  • Lens collar not included
  • A bit dark compared to faster lenses
👍 Zoom range versatility 12
👍 Image quality sharpness 14
👍 Value for money 10
👍 Build quality 8
🤔 Weight and portability 9
👎 Low light performance 5

Scores

Macro
Canon
51
Tamron
91
Landscape
Canon
74
Tamron
80
Budget
Canon
66
Tamron
79
Travel
Canon
76
Tamron
79
Portrait
Canon
45
Tamron
77
Wildlife Sports
Canon
62
Tamron
70
Professional
Canon
65
Tamron
70
Street
Canon
59
Tamron
67
Video Cinema
Canon
57
Tamron
66

Specifications

Canon L EF 17-40mm f/4L USMTamron Di III 50-400mm f/4.5-6.3 Di III VC VXD
Optics
Typezoomzoom
Focal Length Min17 mm50 mm
Focal Length Max40 mm400 mm
Elements1224
Groups918
Aspherical Elements3★2
ED Elements15★
CoatingSuper Spectra coatingfluorine coating
Aperture
Max Aperturef/22f/4.5
Min Aperturef/44.5-6.3
Constant✓★✗
Diaphragm Blades79★
Build
MountCanon EFSony E
Formatfull-framefull-frame
Weather Sealed✓✓
Weight0.50 kg★1.15 kg
Filter Thread77 mm67 mm
AF & Stabilization
AF TypeUSM★VXD
Stabilization✗✓★
Focus
Min Focus Distance280 mm249 mm★
Max Magnification0.24x1:2★

Pros & Cons

Canon L EF 17-40mm f/4L USM

  • Strong af (93rd percentile)93rd %ile
  • Strong social proof (86th percentile)86th %ile
  • Strong optical (78th percentile)
  • Strong versatility (76th percentile)
  • Below average bokeh (14th percentile)14th %ile
  • Below average aperture (22nd percentile)
  • Below average stabilization (35th percentile)

Tamron Di III 50-400mm f/4.5-6.3 Di III VC VXD

  • Strong optical (100th percentile)100th %ile
  • Strong versatility (97th percentile)97th %ile
  • Strong bokeh (81st percentile)81st %ile
  • Strong stabilization (79th percentile)
  • Below average build (23rd percentile)

Pricing

Canon L EF 17-40mm f/4L USM is $650 cheaper (2.6x less).

Canon L EF 17-40mm f/4L USM0.149score per dollar
vs
Tamron Di III 50-400mm f/4.5-6.3 Di III VC VXD0.078score per dollar

Canon L EF 17-40mm f/4L USM offers 1.9x better value for money

Verdict

★ Winner: Tamron Di III 50-400mm f/4.5-6.3 Di III VC VXD

Scores 83 overall, wins 9 of 9 usage categories and 5 of 21 specs.

Tamron Di III 50-400mm f/4.5-6.3 Di III VC VXD Better at:

MacroBudgetStreetTravelPortraitLandscapeProfessionalVideo CinemaWildlife Sports

Also Consider