Canon EOS 90Dvs OM System TG-7vs A7C II
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.
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.
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
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 canon eos 90d, om system tg-7 are weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | Canon EOS 90D (2019) | OM System TG-7 (2023) | A7C II (2023) |
|---|---|---|---|
| Price | £849 | £449 | £1,499 |
| Sensor | 32.5MP APS-C CMOS (Dual Pixel AF) | 12MP BSI CMOS | 33MP Full-frame Exmor R BSI CMOS |
| Resolution | 32.5MP | 12.0MP | 33.0MP |
| Video | 4K/30p (1.6× crop), FHD/120p | 4K/30p, 1080p/120p | 4K/60p oversampled, S-Log3, 10-bit internal |
| Autofocus | Dual Pixel CMOS AF (live view), 45-point phase-detect (OVF) | Hybrid phase/contrast AF | 759-point phase-detect, AI subject recognition |
| Stabilisation | None (no IBIS) | Digital IS | 5-axis IBIS, 7.0 stops |
| Burst Rate | 10fps mechanical | 20fps | 10fps mechanical, 30fps electronic |
| Battery Life | ~1300 shots (CIPA with OVF) | 340 shots (CIPA) | ~530 shots (CIPA) |
| Weight | 701g body only | 253g | 514g body only |
| Dimensions | 140.7 × 104.8 × 76.8mm | 113.0 × 66.5 × 32.7mm | 124.0 × 71.1 × 63.4mm |
| Weather Sealed | Yes | Yes | No |
| Viewfinder | Optical pentaprism, 100% coverage, 0.95× magnification | None | EVF, 2.36M dots, 0.70× magnification |
| Screen | 3.0" vari-angle touchscreen | 3.0" fixed TFT LCD | 3.0" vari-angle touchscreen |
| Mount | Canon EF / EF-S | 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 2.0, Bluetooth, Wi-Fi | USB-C, Wi-Fi, Bluetooth | USB-C (3.2), Bluetooth, Wi-Fi |
Compare pairs from this group