18-35mm f/1.8 DC HSM Artvs 11-20mm f/2.8 Di III-A RXD

GearFrame · Updated March 2026

Sigma 18-35mm f/1.8 DC HSM Art Sigma 18-35mm f/1.8 DC HSM Art (2013) Starting from £499 new Best for Low light, portrait & events photography View 18-35mm f/1.8 DC HSM Art
VS
Tamron 11-20mm f/2.8 Di III-A RXD Tamron 11-20mm f/2.8 Di III-A RXD (2021) Starting from £599 new Best for Landscape, astrophotography & architecture on Sony APS-C View 11-20mm f/2.8 Di III-A RXD

GearScore™ Verdict — Which should you buy?

Low Light, Portrait & Events Photography — 18-35mm f/1.8 DC HSM Art (2013): The world's only constant f/1.8 zoom — an extraordinary APS-C lens that renders like a prime at every focal length.

Landscape, Astrophotography & Architecture On Sony Aps-C — 11-20mm f/2.8 Di III-A RXD (2021): The definitive ultra-wide zoom for Sony APS-C — f/2.8 at 11mm in a compact, affordable, weather-sealed package.

↓ Full specifications below

Who should buy what

Quick take: The 18-35mm f/1.8 dc hsm art is the most affordable; only the 11-20mm f/2.8 di iii-a rxd is weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification 18-35mm f/1.8 DC HSM Art (2013)11-20mm f/2.8 Di III-A RXD (2021)
Price £499 £599
Sensor f/1.8 (constant max aperture) Sony E-mount (APS-C)
Video 28cm minimum focus distance N/A — lens
Autofocus HSM (Hyper Sonic Motor) — fast and near-silent with full-time manual override Rapid eXtra-silent stepping Drive (RXD) — quiet and fast
Stabilisation None (relies on body IS if available) None
Burst Rate N/A N/A
Battery Life N/A N/A
Weight 810g 335g
Dimensions 78mm diameter × 121mm length 73mm diameter × 86.2mm length
Weather Sealed No Yes
Viewfinder N/A N/A
Screen N/A N/A
Mount Canon EF / EF-S 67mm filter thread
Memory Cards N/A N/A
Connectivity N/A N/A

Suitability by genre

Genre 18-35mm f/1.8 DC HSM Art11-20mm f/2.8 Di III-A RXD
Portrait
9.0
—
Wedding & Events
9.0
—
Street
7.0
—
Landscape —
9.0
Astrophotography —
9.0
Architecture —
9.0
⚡ Compare specs side by side 18-35mm f/1.8 DC HSM Art prices → 11-20mm f/2.8 Di III-A RXD prices →

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