Canon EOS R3vs A6700vs Sony FX30

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
Sony A6700 Sony A6700 (2023) From £999 Best for All-round & video View A6700
VS
Sony Sony FX30 Sony Sony FX30 (2022) From £1799 Best for Video creators & filmmakers View Sony FX30

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.

All-Round & Video — A6700 (2023): Best-in-class autofocus and 4K/120p video in a compact APS-C body — the standout camera under £1,000.

Video Creators & Filmmakers — Sony FX30 (2022): The Cinema Line entry point — S-Cinetone colour science, 4K/120p, and XLR audio in a compact, affordable body that punches far above its price.

↓ 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

A6700 (2023)

  • You want a compact, travel-friendly system without sacrificing autofocus performance
  • You're an enthusiast upgrading from an entry-level camera and ready for a more capable body
  • You shoot wildlife or sports and want APS-C reach from a lightweight kit
  • You create video content and need reliable subject and eye tracking in a small form factor

Sony FX30 (2022)

  • You're a filmmaker or video producer who wants Sony cinema colour in a compact, affordable body
  • You want 4K/120fps slow motion without the cost of an FX3 or FX6
  • You shoot documentary, corporate video, or YouTube content at a professional standard

Quick take: The sony fx30 has the highest resolution at 26mp; the a6700 is the most affordable; only the canon eos r3, sony fx30 are weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification Canon EOS R3 (2021)A6700 (2023)Sony FX30 (2022)
Price £5,999 £999 £1,799
Sensor 24.1MP full-frame BSI stacked CMOS 26MP APS-C Exmor R BSI CMOS 26.1MP APS-C BSI Exmor R CMOS
Resolution 24.1MP 26.0MP 26.1MP
Video 6K RAW, 4K/120p, 1080p/180p 4K/120p, 4K/60p oversampled, S-Log3, 10-bit 4K/120p, 4K/60p S-Log3, 1080p/240p
Autofocus Dual Pixel CMOS AF II with Eye Control AF 759-point phase-detect, AI subject recognition (human/animal/bird/vehicle) Real-time tracking AF, 759-point phase-detect
Stabilisation 8-stop IBIS 5-axis IBIS, 5.0 stops 5-axis Active IBIS
Burst Rate 30fps electronic / 12fps mechanical 11fps mechanical, 30fps electronic 20fps electronic
Battery Life 620 shots (CIPA) ~570 shots (CIPA) 740 shots (CIPA)
Weight 1015g body only 493g body only 579g body only
Dimensions 150.0 × 142.6 × 87.2mm 122.0 × 69.0 × 75.1mm 129.7 × 77.8 × 84.5mm
Weather Sealed Yes No Yes
Viewfinder 0.76" OLED EVF, 5.76M dots, 120fps EVF, 2.36M dots None (EVF optional via XLR handle)
Screen 3.2" fully articulating touchscreen 3.0" vari-angle touchscreen 3.0" fully articulating touchscreen
Mount Canon RF Sony E-mount Sony FE (E-mount)
Memory Cards Dual CFexpress Type B Single SD UHS-II / CFexpress Type A slot Dual CFexpress Type A / SD UHS-II
Connectivity USB-C 3.2, HDMI full-size, Wi-Fi 6, Bluetooth, LAN USB-C (3.2), Bluetooth, Wi-Fi USB-C 3.2, HDMI A, Wi-Fi, Bluetooth
⚡ Compare specs side by side Canon EOS R3 prices → A6700 prices → Sony FX30 prices →

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