RF 24-70mm f/2.8L IS USMvs A6400

GearFrame · Updated March 2026

Canon RF 24-70mm f/2.8L IS USM Canon RF 24-70mm f/2.8L IS USM (2019) Starting from £2299 new Best for Wedding, events & documentary photography View RF 24-70mm f/2.8L IS USM
VS
Sony A6400 Sony A6400 (2019) Starting from £899 new Best for Content creation & vlogging View A6400

GearScore™ Verdict — Which should you buy?

Wedding, Events & Documentary Photography — RF 24-70mm f/2.8L IS USM (2019): The standard zoom most Canon RF shooters eventually land on — optically superb, IS-equipped, and built to last a decade of professional use.

Content Creation & Vlogging — A6400 (2019): The best value APS-C Sony you can buy — especially used. Real-time Eye AF at this price point was transformative when it launched and still makes it one of the most reliable autofocus systems in the lineup.

↓ Full specifications below

A6400 (2019)

  • Vloggers and content creators who need a flip screen and reliable AF
  • Photographers upgrading from a compact or smartphone
  • Beginners who want room to grow into a full E-mount lens ecosystem
  • Anyone prioritising autofocus performance at an accessible price

Quick take: The a6400 is the most affordable; only the rf 24-70mm f/2.8l is usm is weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification RF 24-70mm f/2.8L IS USM (2019)A6400 (2019)
Price £2,299 £899
Sensor f/2.8 (constant max aperture) 24.2MP APS-C Exmor CMOS BSI
Resolution 24.2MP
Video 21cm minimum focus distance 4K/30p (6K oversampled, no crop), 1080p/120p slow-motion
Autofocus Dual Nano USM — fast, quiet, and responsive across the zoom range Phase-detect, 425 points, real-time Eye AF & animal AF
Stabilisation 5-stop IS (up to 8 stops combined with IBIS on compatible bodies) None (no IBIS)
Burst Rate N/A 11fps mechanical, 8fps with AF tracking
Battery Life N/A ~410 shots (CIPA)
Weight 900g 403g (body, battery, card)
Dimensions 88.5mm diameter × 125.7mm length 120.0 × 66.9 × 59.7mm
Weather Sealed Yes No
Viewfinder N/A EVF, 2.36M dots, 0.70× magnification
Screen N/A 3.0" tilting touchscreen, 180° flip for selfie/vlog, 921k dots
Mount Canon RF Sony E-mount
Memory Cards N/A Single SD UHS-I
Connectivity N/A Micro-USB, Wi-Fi, Bluetooth, NFC
Genre RF 24-70mm f/2.8L IS USMA6400
Wedding & Events
9.0
Portrait
7.0
9.0
Vlogging & Video
7.0
Video
9.0
Street
9.0
Travel
7.0
Wildlife
4.0
⚡ Compare specs side by side RF 24-70mm f/2.8L IS USM prices → A6400 prices →

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