Canon EOS R3vs OM System TG-7vs 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
OM System OM System TG-7 OM System OM System TG-7 (2023) From £449 Best for Adventure, underwater & outdoor use View OM System TG-7
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.

Adventure, Underwater & Outdoor Use — OM System TG-7 (2023): Waterproof to 15m, freezeproof and shockproof — the TG-7 is the most capable rugged compact for adventure and outdoor use.

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

OM System TG-7 (2023)

  • You dive, surf, kayak, ski, or hike and need a camera that genuinely survives anything
  • You want a waterproof backup or travel camera that doesn't require a separate housing
  • You need a rugged compact for adventure, outdoor, and underwater activities

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 om system tg-7 is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification Canon EOS R3 (2021)OM System TG-7 (2023)Sony FX30 (2022)
Price £5,999 £449 £1,799
Sensor 24.1MP full-frame BSI stacked CMOS 12MP BSI CMOS 26.1MP APS-C BSI Exmor R CMOS
Resolution 24.1MP 12.0MP 26.1MP
Video 6K RAW, 4K/120p, 1080p/180p 4K/30p, 1080p/120p 4K/120p, 4K/60p S-Log3, 1080p/240p
Autofocus Dual Pixel CMOS AF II with Eye Control AF Hybrid phase/contrast AF Real-time tracking AF, 759-point phase-detect
Stabilisation 8-stop IBIS Digital IS 5-axis Active IBIS
Burst Rate 30fps electronic / 12fps mechanical 20fps 20fps electronic
Battery Life 620 shots (CIPA) 340 shots (CIPA) 740 shots (CIPA)
Weight 1015g body only 253g 579g body only
Dimensions 150.0 × 142.6 × 87.2mm 113.0 × 66.5 × 32.7mm 129.7 × 77.8 × 84.5mm
Weather Sealed Yes Yes Yes
Viewfinder 0.76" OLED EVF, 5.76M dots, 120fps None None (EVF optional via XLR handle)
Screen 3.2" fully articulating touchscreen 3.0" fixed TFT LCD 3.0" fully articulating touchscreen
Mount Canon RF Fixed 25mm-equiv f/2.0 lens (4× optical zoom) Sony FE (E-mount)
Memory Cards Dual CFexpress Type B Single SD UHS-I Dual CFexpress Type A / SD UHS-II
Connectivity USB-C 3.2, HDMI full-size, Wi-Fi 6, Bluetooth, LAN USB-C, Wi-Fi, Bluetooth USB-C 3.2, HDMI A, Wi-Fi, Bluetooth
⚡ Compare specs side by side Canon EOS R3 prices → OM System TG-7 prices → Sony FX30 prices →

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