18-50mm f/2.8 DC DN Contemporaryvs Tamron 28-75mm f/2.8 Di III VXD G2

GearFrame · Updated March 2026

Sigma 18-50mm f/2.8 DC DN Contemporary Sigma 18-50mm f/2.8 DC DN Contemporary (2021) From £649 Best for Everyday, travel & events on Fujifilm or Sony APS-C View 18-50mm f/2.8 DC DN Contemporary
VS
Tamron Tamron 28-75mm f/2.8 Di III VXD G2 Tamron Tamron 28-75mm f/2.8 Di III VXD G2 (2021) From £699 Best for Wedding, travel & general purpose View Tamron 28-75mm f/2.8 Di III VXD G2

Which should you buy?

Everyday, Travel & Events On Fujifilm Or Sony Aps-C — 18-50mm f/2.8 DC DN Contemporary (2021): The lightest f/2.8 standard zoom ever made — 290g is astonishing for a lens of this capability, and it optically over-delivers at the price.

Wedding, Travel & General Purpose — Tamron 28-75mm f/2.8 Di III VXD G2 (2021): The best-value standard zoom for Sony FE — constant f/2.8, fast VXD AF, and weather sealing for far less than the Sony FE 24-70mm GM II.

↓ Full specifications below

Who should buy what

Quick take: The 18-50mm f/2.8 dc dn contemporary is the most affordable; only the tamron 28-75mm f/2.8 di iii vxd g2 is weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification 18-50mm f/2.8 DC DN Contemporary (2021)Tamron 28-75mm f/2.8 Di III VXD G2 (2021)
Price £649 £699
Sensor Fujifilm X mount (APS-C) f/2.8 (constant max aperture)
Video N/A — lens 18cm minimum focus distance
Autofocus Stepping motor — fast, quiet, video-friendly VXD (Voice-coil eXtreme-torque Drive) linear motor
Stabilisation None None (relies on body IBIS)
Burst Rate N/A —
Battery Life N/A —
Weight 290g 540g
Dimensions 65.4mm diameter × 76.8mm length 75.8 × 117.6mm
Weather Sealed No Yes
Viewfinder N/A —
Screen N/A —
Mount 55mm filter thread Sony FE (full-frame E-mount)
Memory Cards N/A —
Connectivity N/A —

Suitability by genre

Genre 18-50mm f/2.8 DC DN ContemporaryTamron 28-75mm f/2.8 Di III VXD G2
Travel
9.0
9.0
Street
9.0
9.0
Portrait
7.0
9.0
Wedding & Events —
9.0
Landscape —
7.0
Sports & Action —
4.0
⚡ Compare specs side by side 18-50mm f/2.8 DC DN Contemporary prices → Tamron 28-75mm f/2.8 Di III VXD G2 prices →

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