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

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

Tamron
97 Overall Score
vs
Sigma Contemporary 20-200mm f/3.5-6.3 DG

Sigma Contemporary 20-200mm f/3.5-6.3 DG

Sigma
32 Overall Score

Scores

Video Cinema
Tamron
98
Sigma
22
Budget
Tamron
96
Sigma
33
Macro
Tamron
95
Sigma
55
Professional
Tamron
92
Sigma
32
Travel
Tamron
87
Sigma
39
Portrait
Tamron
85
Sigma
17
Landscape
Tamron
84
Sigma
47
Street
Tamron
79
Sigma
26
Wildlife Sports
Tamron
75
Sigma
34

Specifications

Tamron Di III 17-70mm f/2.8 Di III-A VC RXD 70mmSigma Contemporary 20-200mm f/3.5-6.3 DG
Optics
Typezoomzoom
Focal Length Min17 mm20 mm
Focal Length Max70 mm200 mm
Elements16—
Groups12—
Aspherical Elements34★
ED Elements24★
CoatingFluorine Coatingwater and oil-repellent coating
Aperture
Max Aperturef/2.8f/40
Min Aperturef/2.8f/3.5
Constant✓★✗
Diaphragm Blades9★—
Build
MountSony ESony E
FormatAPS-Cfull-frame★
Weather Sealed✓✓
Weight0.54 kg★0.93 kg
Filter Thread67 mm—
AF & Stabilization
AF TypeRXDHLA (High-response Linear Actuator)
Stabilization✓★—
Focus
Min Focus Distance190 mm★200 mm
Max Magnification1:4.81:2

Pros & Cons

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

  • Strong optical (91st percentile)91st %ile
  • Strong versatility (90th percentile)90th %ile
  • Strong bokeh (87th percentile)87th %ile
  • Strong macro (86th percentile)86th %ile

Sigma Contemporary 20-200mm f/3.5-6.3 DG

  • Strong versatility (97th percentile)97th %ile
  • Strong macro (84th percentile)84th %ile
  • Strong optical (81st percentile)81st %ile
  • Below average bokeh (2nd percentile)2nd %ile
  • Below average aperture (2nd percentile)2nd %ile
  • Below average social proof (3rd percentile)3rd %ile
  • Below average build (17th percentile)17th %ile

Pricing

Tamron Di III 17-70mm f/2.8 Di III-A VC RXD 70mm is $300 cheaper (1.5x less).

Tamron Di III 17-70mm f/2.8 Di III-A VC RXD 70mm0.162score per dollar
vs
Sigma Contemporary 20-200mm f/3.5-6.3 DG0.035score per dollar

Tamron Di III 17-70mm f/2.8 Di III-A VC RXD 70mm offers 4.6x better value for money

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

Newegg
refurbished$585
Amazon
$599
Adorama
$599
Best Buy
$600
Best Buy
open-box$612

Sigma Contemporary 20-200mm f/3.5-6.3 DG

Newegg
$899
Best Buy
$899

Verdict

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

Scores 97 overall, wins 9 of 9 usage categories and 5 of 21 specs.

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

MacroBudgetStreetTravelPortraitLandscapeProfessionalVideo CinemaWildlife Sports

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View Details & Prices: Tamron Di III 17-70mm f/2.8 Di III-A VC RXD 70mm View Details & Prices: Sigma Contemporary 20-200mm f/3.5-6.3 DG