EOS R6 Mark IIvs OM System TG-7vs A7C II

GearFrame · Updated March 2026

Canon EOS R6 Mark II Canon EOS R6 Mark II (2022) From £2099 Best for Portraits & action View EOS R6 Mark II
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 A7C II Sony A7C II (2023) From £1499 Best for Full-frame hybrid View A7C II

Which should you buy?

Portraits & Action — EOS R6 Mark II (2022): 40fps burst, 8-stop IBIS, and Canon's best-in-class Dual Pixel AF — exceptional for action, sports, and portrait work.

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.

Full-Frame Hybrid — A7C II (2023): Full-frame AI autofocus in the most compact body available — the best camera under £1,500 for hybrid shooters.

↓ Full specifications below

EOS R6 Mark II (2022)

  • You want a do-everything full-frame body for weddings and events
  • You need reliable subject tracking across stills and fast-moving video
  • You shoot both photos and video professionally and need a single body that handles both
  • You want Canon's colour science with a modern mirrorless system

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

A7C II (2023)

  • You want full-frame image quality in the most compact body possible
  • You travel constantly and need a serious camera that doesn't weigh down your bag
  • You're a portrait or lifestyle photographer who shoots on the move
  • You create content for social media or YouTube and want full-frame quality in a vlog-friendly form

Quick take: The a7c ii has the highest resolution at 33mp; the om system tg-7 is the most affordable; only the eos r6 mark ii, om system tg-7 are weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification EOS R6 Mark II (2022)OM System TG-7 (2023)A7C II (2023)
Price £2,099 £449 £1,499
Sensor 24.2MP Full-frame BSI CMOS 12MP BSI CMOS 33MP Full-frame Exmor R BSI CMOS
Resolution 24.2MP 12.0MP 33.0MP
Video 4K/60p 10-bit oversampled, 6K RAW out, FHD/180p 4K/30p, 1080p/120p 4K/60p oversampled, S-Log3, 10-bit internal
Autofocus Dual Pixel CMOS AF II, 6072 zones, deep-learning subject tracking Hybrid phase/contrast AF 759-point phase-detect, AI subject recognition
Stabilisation 5-axis IBIS, 8.0 stops (coordinated with IS lenses) Digital IS 5-axis IBIS, 7.0 stops
Burst Rate 12fps mechanical, 40fps electronic 20fps 10fps mechanical, 30fps electronic
Battery Life ~760 shots (CIPA) 340 shots (CIPA) ~530 shots (CIPA)
Weight 670g body only 253g 514g body only
Dimensions 138.4 × 98.4 × 88.4mm 113.0 × 66.5 × 32.7mm 124.0 × 71.1 × 63.4mm
Weather Sealed Yes Yes No
Viewfinder EVF, 3.69M dots, 0.76× magnification None EVF, 2.36M dots, 0.70× magnification
Screen 3.0" fully articulating touchscreen 3.0" fixed TFT LCD 3.0" vari-angle touchscreen
Mount Canon RF mount (full-frame) Fixed 25mm-equiv f/2.0 lens (4× optical zoom) Sony FE (full-frame E-mount)
Memory Cards Dual SD UHS-II slots Single SD UHS-I Dual slots: SD UHS-II + CFexpress Type A
Connectivity USB-C 3.1, Bluetooth, Wi-Fi USB-C, Wi-Fi, Bluetooth USB-C (3.2), Bluetooth, Wi-Fi
⚡ Compare specs side by side EOS R6 Mark II prices → OM System TG-7 prices → A7C II prices →

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