Canon RF 28-70mm f/2.8 IS STM

Canon RF 28-70mm f/2.8 IS STM

Canon
88 Overall Score
vs
Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD

Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD

Tamron
100 Overall Score

What Buyers Say

Canon RF 28-70mm f/2.8 IS STM

90 out of 100 medium confidence 13 reviews

The Canon RF 24-70mm f/2.8L IS USM lens receives overwhelmingly positive feedback for its sharpness, fast autofocus, and lightweight design. Users appreciate it as a versatile upgrade from kit lenses, especially for mirrorless cameras like the R7 and R5 Mark II. A single negative review is due to a delivery issue, not product quality.

Pros
  • Sharp image quality
  • Fast and accurate autofocus
  • Lightweight and compact design
  • Great value for the price
  • Versatile for various settings
Cons
  • Possible delivery mismanagement
👍 Image quality 4
👍 Autofocus performance 3
👍 Weight and portability 6
👍 Value for money 4
👍 Versatility 2
👎 Delivery experience 1

Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD

92 out of 100 medium confidence 13 reviews

The Tamron 28-300mm super-zoom wins praise for its lightweight design, versatile focal range, and solid image quality. Users appreciate the compact build and smooth zoom mechanism, but note the slow aperture and trade-offs in sharpness compared to more expensive zooms. Verified reviewers find it an ideal travel lens that pairs well with Sony bodies.

Pros
  • Lightweight design
  • Versatile 28-300mm focal range
  • Smooth zoom ring operation
  • Compact build for travel
  • Good integration with Sony bodies
Cons
  • Small maximum aperture (f/4-7.1)
  • Reduced sharpness vs. premium zooms
  • Not an internal zoom lens
  • Slow autofocus at high fps on some bodies
👍 Build quality 3
🤔 Sharpness 3
👎 Aperture 2
👍 Weight and portability 3
👍 Zoom range 4
👎 Autofocus performance 1

Scores

Budget
Canon
82
Tamron
95
Professional
Canon
92
Tamron
84
Macro
Canon
70
Tamron
91
Video Cinema
Canon
90
Tamron
80
Portrait
Canon
89
Tamron
88
Landscape
Canon
77
Tamron
86
Wildlife Sports
Canon
82
Tamron
84
Travel
Canon
84
Tamron
81
Street
Canon
83
Tamron
81

Specifications

Canon RF 28-70mm f/2.8 IS STMTamron Di III VC 28-300mm f/4-7.1 Di III VC VXD
Optics
Typezoomzoom
Focal Length Min28 mm28 mm
Focal Length Max70 mm300 mm
Elements1420
Groups1113
Aspherical Elements23★
ED Elements22
CoatingSuper Spectra Coating (SSC)fluorine coating
Aperture
Max Aperturef/2.8f/4
Min Aperturef/2.84-7.1
Constant✓★✗
Diaphragm Blades—9★
Build
MountCanon RFSony E
Formatfull-framefull-frame
Weather Sealed✓✓
Weight0.49 kg★0.59 kg
Filter Thread67 mm67 mm
AF & Stabilization
AF TypeSTMVXD linear motor★
Stabilization✓✓
Stabilization Stops5.5 stops★—
Focus
Min Focus Distance270 mm190 mm★
Max Magnification0.24x1:2.8★

Pros & Cons

Canon RF 28-70mm f/2.8 IS STM

  • Strong stabilization (98th percentile)98th %ile
  • Strong aperture (88th percentile)88th %ile
  • Strong bokeh (86th percentile)86th %ile
  • Strong user sentiment (86th percentile)86th %ile

Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD

  • Strong versatility (98th percentile)98th %ile
  • Strong af (98th percentile)98th %ile
  • Strong optical (96th percentile)96th %ile
  • Strong user sentiment (91st percentile)91st %ile

Pricing

Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD is $819 cheaper (3.9x less).

Canon RF 28-70mm f/2.8 IS STM0.080score per dollar
vs
Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD0.357score per dollar

Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD offers 4.5x better value for money

Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD

Verdict

★ Winner: Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD

Scores 100 overall, wins 4 of 9 usage categories and 5 of 22 specs.

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

TravelProfessionalVideo Cinema

Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD Better at:

MacroBudgetLandscapeWildlife Sports

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