Canon EOS 90Dvs EOS R7vs OM System TG-7

GearFrame · Updated March 2026

Canon Canon EOS 90D Canon Canon EOS 90D (2019) From £849 Best for Sports, wildlife & DSLR enthusiasts View Canon EOS 90D
VS
Canon EOS R7 Canon EOS R7 (2022) From £1399 Best for Wildlife, sports & action View EOS R7
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

Which should you buy?

Sports, Wildlife & Dslr Enthusiasts — Canon EOS 90D (2019): The best APS-C DSLR Canon ever made — 32MP, 10fps, weather sealing, and an optical viewfinder experience no mirrorless can replicate.

Wildlife, Sports & Action — EOS R7 (2022): The EOS R7 is one of the most complete APS-C cameras ever made. It combines a class-leading resolution sensor with best-in-class IBIS, 4K/60p video, weather sealing and 15fps burst. For wildlife, sports and action photographers on an APS-C budget, nothing else comes close.

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 specifications below

Canon EOS 90D (2019)

  • You're invested in Canon EF DSLR lenses and don't want to switch systems
  • You shoot wildlife or sports and prefer an optical viewfinder
  • You want a mid-range DSLR upgrade without going mirrorless

EOS R7 (2022)

  • Wildlife photographers who need reach, weather sealing and fast burst
  • Sports shooters upgrading from entry-level APS-C bodies
  • Video creators who need uncropped 4K/60p without a full-frame budget
  • Canon DSLR users looking to move to RF mount

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

Quick take: The canon eos 90d has the highest resolution at 32mp; the om system tg-7 is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification Canon EOS 90D (2019)EOS R7 (2022)OM System TG-7 (2023)
Price £849 £1,399 £449
Sensor 32.5MP APS-C CMOS (Dual Pixel AF) 32.5MP APS-C CMOS 12MP BSI CMOS
Resolution 32.5MP 32.5MP 12.0MP
Video 4K/30p (1.6× crop), FHD/120p 4K/60p (uncropped), 4K/30p (oversampled from 7K), 1080p/120p 4K/30p, 1080p/120p
Autofocus Dual Pixel CMOS AF (live view), 45-point phase-detect (OVF) Dual Pixel CMOS AF II, 651 AF zones, subject recognition (people, animals, vehicles) Hybrid phase/contrast AF
Stabilisation None (no IBIS) 7-stop IBIS (8 stops with compatible IS lenses) Digital IS
Burst Rate 10fps mechanical 15fps mechanical, 30fps electronic (with blackout) 20fps
Battery Life ~1300 shots (CIPA with OVF) ~770 shots (CIPA) 340 shots (CIPA)
Weight 701g body only 612g (body, battery, card) 253g
Dimensions 140.7 × 104.8 × 76.8mm 132.0 × 90.4 × 91.7mm 113.0 × 66.5 × 32.7mm
Weather Sealed Yes Yes Yes
Viewfinder Optical pentaprism, 100% coverage, 0.95× magnification EVF, 2.36M dots, 0.72× magnification None
Screen 3.0" vari-angle touchscreen 3.0" vari-angle touchscreen, 1.62M dots 3.0" fixed TFT LCD
Mount Canon EF / EF-S Canon RF-mount Fixed 25mm-equiv f/2.0 lens (4× optical zoom)
Memory Cards Dual SD UHS-II slots Dual SD UHS-II Single SD UHS-I
Connectivity USB 2.0, Bluetooth, Wi-Fi USB-C (USB 3.2 Gen 2), Wi-Fi, Bluetooth USB-C, Wi-Fi, Bluetooth
⚡ Compare specs side by side Canon EOS 90D prices → EOS R7 prices → OM System TG-7 prices →

Compare pairs from this group