Sigma EX DC OS HSM 17-50mm f/2.8 EX DC OS HSM

Sigma EX DC OS HSM 17-50mm f/2.8 EX DC OS HSM

Sigma
58 Overall Score
vs
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

What Buyers Say

Sigma EX DC OS HSM 17-50mm f/2.8 EX DC OS HSM

No customer feedback yet

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

Scores

Macro
Sigma
58
Tamron
91
Budget
Sigma
58
Tamron
91
Landscape
Sigma
64
Tamron
90
Portrait
Sigma
43
Tamron
87
Professional
Sigma
56
Tamron
84
Wildlife Sports
Sigma
51
Tamron
84
Travel
Sigma
54
Tamron
84
Street
Sigma
49
Tamron
82
Video Cinema
Sigma
59
Tamron
80

Specifications

Sigma EX DC OS HSM 17-50mm f/2.8 EX DC OS HSMTamron Di III VC 28-300mm f/4-7.1 Di III VC VXD 300mm
Optics
Typezoomzoom
Focal Length Min17 mm28 mm
Focal Length Max50 mm300 mm
Elements1720
Groups1313
Aspherical Elements33
ED Elements22
CoatingSuper multi-layer coatingfluorine coating
Aperture
Max Aperturef/22f/4
Min Aperturef/2.84-7.1
Constant✓★✗
Diaphragm Blades79★
Build
MountCanon EFSony E
FormatAPS-Cfull-frame★
Weather Sealed✗✓★
Weight0.56 kg★0.59 kg
Filter Thread77 mm67 mm
AF & Stabilization
AF TypeHSMVXD linear motor★
Stabilization✓✓
Stabilization Stops4 stops★—
Focus
Min Focus Distance280 mm190 mm★
Max Magnification0.2x1:2.8★

Pros & Cons

Sigma EX DC OS HSM 17-50mm f/2.8 EX DC OS HSM

  • Strong optical (94th percentile)94th %ile
  • Strong stabilization (92nd percentile)92nd %ile
  • Strong versatility (81st percentile)81st %ile
  • Strong social proof (81st percentile)81st %ile
  • Below average bokeh (14th percentile)14th %ile
  • Below average aperture (22nd percentile)

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 (92nd percentile)92nd %ile

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 6 of 22 specs.

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

MacroBudgetStreetTravelPortraitLandscapeProfessionalVideo CinemaWildlife Sports