Canon EOS 90Dvs Z30vs OM System TG-7
Canon
Canon EOS 90D (2019)
From £849
Best for Sports, wildlife & DSLR enthusiasts
View Canon EOS 90D
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.
Travel & Everyday Video — Z30 (2022): Nikon's lightest Z-mount body — no fuss, excellent subject tracking, and a flip screen for creators.
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
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
Z30 (2022)
- You create video content and want reliable Nikon colour science in a compact body
- You don't need a viewfinder and prioritise the vari-angle flip screen
- You're starting out with interchangeable lenses for content creation on a budget
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; only the canon eos 90d, om system tg-7 are weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | Canon EOS 90D (2019) | Z30 (2022) | OM System TG-7 (2023) |
|---|---|---|---|
| Price | £849 | £479 | £449 |
| Sensor | 32.5MP APS-C CMOS (Dual Pixel AF) | 20.9MP APS-C CMOS | 12MP BSI CMOS |
| Resolution | 32.5MP | 20.9MP | 12.0MP |
| Video | 4K/30p (1.6× crop), FHD/120p | 4K/30p, 4K/60p (with crop), 1080p/120p | 4K/30p, 1080p/120p |
| Autofocus | Dual Pixel CMOS AF (live view), 45-point phase-detect (OVF) | Phase-detect, 209 points, subject tracking (human/animal/vehicle) | Hybrid phase/contrast AF |
| Stabilisation | None (no IBIS) | None (no IBIS) | Digital IS |
| Burst Rate | 10fps mechanical | 11fps | 20fps |
| Battery Life | ~1300 shots (CIPA with OVF) | ~300 shots (CIPA) | 340 shots (CIPA) |
| Weight | 701g body only | 405g body only | 253g |
| Dimensions | 140.7 × 104.8 × 76.8mm | 127.5 × 73.5 × 59.5mm | 113.0 × 66.5 × 32.7mm |
| Weather Sealed | Yes | No | Yes |
| Viewfinder | Optical pentaprism, 100% coverage, 0.95× magnification | None | None |
| Screen | 3.0" vari-angle touchscreen | 3.0" fully articulating touchscreen | 3.0" fixed TFT LCD |
| Mount | Canon EF / EF-S | Nikon Z-mount | Fixed 25mm-equiv f/2.0 lens (4× optical zoom) |
| Memory Cards | Dual SD UHS-II slots | Single SD UHS-I slot | Single SD UHS-I |
| Connectivity | USB 2.0, Bluetooth, Wi-Fi | USB-C, Bluetooth, Wi-Fi, 3.5mm mic input, micro HDMI | USB-C, Wi-Fi, Bluetooth |
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