A7Cvs 11-20mm f/2.8 Di III-A RXD

GearFrame · Updated March 2026

Sony A7C Sony A7C (2020) Starting from £1299 new Best for Compact travel & content creation View A7C
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?

Compact Travel & Content Creation — A7C (2020): The A7C proves full-frame doesn't have to be bulky. Excellent battery life, reliable Eye AF and a vari-angle screen in a pocketable body is a compelling combination for travel and content creators. The A7C II improved on it, but the original remains a strong value buy.

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

A7C (2020)

  • Travel photographers who want full-frame in the smallest possible body
  • Content creators who need a flip screen and reliable Eye AF
  • Photographers upgrading from APS-C who want to keep a compact kit
  • Vloggers who need 4K and great battery life on the road

Quick take: The 11-20mm f/2.8 di iii-a rxd 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 A7C (2020)11-20mm f/2.8 Di III-A RXD (2021)
Price £1,299 £599
Sensor 24.2MP Full-Frame Exmor R BSI CMOS Sony E-mount (APS-C)
Resolution 24.2MP
Video 4K/30p (oversampled), 1080p/120p slow-motion, S-Log2/S-Log3 N/A — lens
Autofocus Phase-detect, 693 points, real-time Eye AF & animal AF Rapid eXtra-silent stepping Drive (RXD) — quiet and fast
Stabilisation 5-axis IBIS, 5 stops None
Burst Rate 10fps with AF/AE tracking N/A
Battery Life ~740 shots (CIPA) — outstanding for a Sony mirrorless N/A
Weight 509g (body, battery, card) 335g
Dimensions 124.0 × 71.1 × 59.7mm 73mm diameter × 86.2mm length
Weather Sealed No Yes
Viewfinder None built-in — use rear screen or accessory EVF N/A
Screen 3.0" vari-angle touchscreen, 921k dots N/A
Mount Sony E-mount 67mm filter thread
Memory Cards Single SD UHS-II N/A
Connectivity USB-C (USB 3.2 Gen 2), Wi-Fi, Bluetooth, NFC N/A
Genre A7C11-20mm f/2.8 Di III-A RXD
Travel
9.0
Video
9.0
Portrait
9.0
Street
9.0
Wildlife
7.0
Landscape
9.0
Astrophotography
9.0
Architecture
9.0
⚡ Compare specs side by side A7C prices → 11-20mm f/2.8 Di III-A RXD prices →

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