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

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

Tamron
100 Overall Score
vs
Canon L-Series RF 20mm f/1.4 L VCM 20mm

Canon L-Series RF 20mm f/1.4 L VCM 20mm

Canon
54 Overall Score

What Buyers Say

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

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

Canon L-Series RF 20mm f/1.4 L VCM 20mm

84 out of 100 high confidence 40 reviews

This Canon RF lens lineup receives overwhelmingly positive feedback, with users praising exceptional sharpness, fast and silent autofocus, and a lightweight, compact design that is ideal for both photography and video. Many reviewers highlight its outstanding performance for astrophotography, noting minimal coma and excellent star rendering wide open. A few criticisms mention heavy reliance on digital corrections, noticeable uncorrected vignetting, and some distortion, but these are generally seen as acceptable trade-offs for the size, weight, and price. Overall, it is considered a significant upgrade over older EF lenses and a top choice for hybrid shooters.

Pros
  • Exceptional sharpness
  • Fast and silent autofocus
  • Lightweight and compact design
  • Excellent for astrophotography
  • Minimal coma and aberrations
Cons
  • Heavy reliance on digital corrections
  • Noticeable uncorrected vignetting
  • Some distortion and color fringing
  • No image stabilization
  • Loose, clunking elements (one report)
👍 Image quality 25
👍 Autofocus performance 12
👍 Weight and size 15
👍 Astrophotography 8
🤔 Digital corrections 6
👍 Build quality 5

Scores

Macro
Tamron
91
Canon
53
Budget
Tamron
91
Canon
47
Landscape
Tamron
90
Canon
60
Portrait
Tamron
87
Canon
56
Professional
Tamron
85
Canon
64
Wildlife Sports
Tamron
84
Canon
49
Travel
Tamron
84
Canon
44
Street
Tamron
82
Canon
53
Video Cinema
Tamron
80
Canon
61

Specifications

Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD 300mmCanon L-Series RF 20mm f/1.4 L VCM 20mm
Optics
Typezoomprime
Focal Length Min28 mm20 mm
Focal Length Max300 mm20 mm
Elements2015
Groups1311
Aspherical Elements3★2
ED Elements23★
Coatingfluorine coatingCanon SSC (Super Spectra Coating); SWC (Sub-Wavelength structure coating; ASC (Air Sphere Coating); Fluorine protective coating on front element
Aperture
Max Aperturef/4f/16
Min Aperture4-7.1f/1.4
Constant✗✓★
Diaphragm Blades911★
Build
MountSony ECanon RF
Formatfull-framefull-frame
Weather Sealed✓✓
Weight0.59 kg0.52 kg★
Filter Thread67 mm67 mm
AF & Stabilization
AF TypeVXD linear motor★VCM
Stabilization✓★✗
Focus
Min Focus Distance190 mm★200 mm
Max Magnification1:2.8★0.19x

Pros & Cons

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

  • Strong versatility (98th percentile)98th %ile
  • Strong af (98th percentile)98th %ile
  • Strong optical (96th percentile)96th %ile
  • Strong user sentiment (93rd percentile)93rd %ile

Canon L-Series RF 20mm f/1.4 L VCM 20mm

  • Strong optical (88th percentile)88th %ile
  • Strong build (68th percentile)
  • Below average versatility (33rd percentile)
  • Below average stabilization (34th percentile)

Verdict

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

Scores 100 overall, wins 9 of 9 usage categories and 5 of 21 specs.

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

MacroBudgetStreetTravelPortraitLandscapeProfessionalVideo CinemaWildlife Sports