Canon EOS R3vs EOS R50vs Sony A9 III

GearFrame · Updated March 2026

Canon Canon EOS R3 Canon Canon EOS R3 (2021) From £5999 Best for Sports & photojournalism professionals View Canon EOS R3
VS
Canon EOS R50 Canon EOS R50 (2023) From £599 Best for Beginners & family View EOS R50
VS
Sony Sony A9 III Sony Sony A9 III (2023) From £5999 Best for Sports & action professionals View Sony A9 III

Which should you buy?

Sports & Photojournalism Professionals — Canon EOS R3 (2021): The pinnacle of Canon's mirrorless lineup for speed — Eye Control AF and 30fps burst in the most rugged body Canon has ever produced.

Beginners & Family — EOS R50 (2023): Canon's most beginner-friendly RF body — Dual Pixel AF and beautiful colour science in an approachable package.

Sports & Action Professionals — Sony A9 III (2023): A paradigm-shifting camera — the global shutter eliminates every rolling shutter limitation that has constrained action photography for years.

↓ Full specifications below

Canon EOS R3 (2021)

  • You shoot sport, motorsport, wildlife, or news at a professional level
  • You need Canon's most reliable and fastest autofocus available
  • You need extreme weather sealing for demanding shooting conditions

EOS R50 (2023)

  • You're completely new to mirrorless cameras and want something uncomplicated
  • You create vertical content for TikTok, Instagram Reels, or YouTube Shorts
  • You want great autofocus without needing to understand complex menus

Sony A9 III (2023)

  • You shoot professional sport, motorsport, or action and need zero rolling shutter distortion
  • You need reliable high-speed flash sync for studio or on-location action work
  • You want the absolute pinnacle of Sony's action and sports camera technology

Quick take: The sony a9 iii has the highest resolution at 25mp; the eos r50 is the most affordable; only the canon eos r3, sony a9 iii are weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification Canon EOS R3 (2021)EOS R50 (2023)Sony A9 III (2023)
Price £5,999 £599 £5,999
Sensor 24.1MP full-frame BSI stacked CMOS 24.2MP APS-C CMOS 24.6MP full-frame Exmor RS CMOS (global shutter)
Resolution 24.1MP 24.2MP 24.6MP
Video 6K RAW, 4K/120p, 1080p/180p 4K/30p (uncropped 4K/24p), FHD/60p 4K/120p, 4K/60p, 1080p/240p
Autofocus Dual Pixel CMOS AF II with Eye Control AF Dual Pixel CMOS AF II, face/eye/subject tracking AI subject recognition AF, 759-point phase-detect
Stabilisation 8-stop IBIS None (no IBIS) 8-stop IBIS
Burst Rate 30fps electronic / 12fps mechanical 12fps mechanical, 15fps electronic 120fps blackout-free electronic
Battery Life 620 shots (CIPA) ~380 shots (CIPA) 530 shots (CIPA)
Weight 1015g body only 375g body only 703g body only
Dimensions 150.0 × 142.6 × 87.2mm 116.3 × 85.5 × 68.8mm 136.1 × 96.9 × 82.9mm
Weather Sealed Yes No Yes
Viewfinder 0.76" OLED EVF, 5.76M dots, 120fps EVF, 2.36M dots 0.64" Quad-XGA OLED EVF, 9.44M dots
Screen 3.2" fully articulating touchscreen 3.0" vari-angle touchscreen 3.2" fully articulating touchscreen
Mount Canon RF Canon RF-S / RF Sony FE (E-mount)
Memory Cards Dual CFexpress Type B Single SD UHS-II slot Dual CFexpress Type A / SD UHS-II
Connectivity USB-C 3.2, HDMI full-size, Wi-Fi 6, Bluetooth, LAN USB-C, Bluetooth, Wi-Fi USB-C 3.2, HDMI A, Wi-Fi 6, Bluetooth 5.3
⚡ Compare specs side by side Canon EOS R3 prices → EOS R50 prices → Sony A9 III prices →

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