EOS R8vs Nikon Z9vs 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?
Full-Frame Entry — EOS R8 (2023): Canon's most affordable full-frame mirrorless — 4K/60p 10-bit and class-leading Dual Pixel AF at an accessible entry price.
Professional Sports & Wildlife — Nikon Z9 (2021): The Z9 redefined what professional mirrorless could be — no mechanical shutter, 45MP stacked BSI, and 8K RAW in the most rugged Z body.
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.
Who should buy what
EOS R8 (2023)
- You want full-frame image quality on a tight budget
- You shoot mainly in good light and can live without built-in stabilisation
- You primarily shoot stills with occasional video
Nikon Z9 (2021)
- You shoot professionally and need a camera body that handles everything without compromise
- You're a sports, wildlife, or commercial photographer who demands the absolute best
- You want a camera body that will remain state-of-the-art for the next decade
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 nikon z9 has the highest resolution at 46mp; the om system tg-7 is the most affordable; only the nikon z9, om system tg-7 are weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | EOS R8 (2023) | Nikon Z9 (2021) | OM System TG-7 (2023) |
|---|---|---|---|
| Price | £1,099 | £5,499 | £449 |
| Sensor | 24.2MP Full-frame BSI CMOS | 45.7MP full-frame BSI stacked CMOS | 12MP BSI CMOS |
| Resolution | 24.2MP | 45.7MP | 12.0MP |
| Video | 4K/60p oversampled 10-bit, FHD/180p | 8K/30p RAW, 4K/120p, ProRes RAW | 4K/30p, 1080p/120p |
| Autofocus | Dual Pixel CMOS AF II, 1053 zones, eye/face/subject tracking | Subject detection AF, 493-point phase-detect | Hybrid phase/contrast AF |
| Stabilisation | None (no IBIS) | 6-stop IBIS | Digital IS |
| Burst Rate | 6fps mechanical, 40fps electronic | 20fps RAW / 120fps JPEG | 20fps |
| Battery Life | ~220 shots (CIPA) | 740 shots (CIPA) | 340 shots (CIPA) |
| Weight | 461g body only | 1340g body only | 253g |
| Dimensions | 132.5 × 86.1 × 70.0mm | 149.0 × 149.5 × 90.5mm | 113.0 × 66.5 × 32.7mm |
| Weather Sealed | No | Yes | Yes |
| Viewfinder | EVF, 2.36M dots, 0.59× | 0.5" Quad-VGA OLED EVF, 3.69M dots, 120fps | None |
| Screen | 3.0" fully articulating touchscreen | 3.2" tilting touchscreen | 3.0" fixed TFT LCD |
| Mount | Canon RF mount (full-frame) | Nikon Z-mount | Fixed 25mm-equiv f/2.0 lens (4× optical zoom) |
| Memory Cards | Single SD UHS-II slot | Dual CFexpress Type B / XQD | Single SD UHS-I |
| Connectivity | USB-C, Bluetooth, Wi-Fi | USB-C 3.2, HDMI full-size, Wi-Fi 6, Bluetooth, LAN | USB-C, Wi-Fi, Bluetooth |
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