OM System TG-7vs A9
OM System
OM System TG-7 (2023)
Starting from £449 new
Best for Adventure, underwater & outdoor use
View OM System TG-7
Sony
A9 (2017)
Starting from £1999 new
Best for Professional sports, wildlife & action photography
View A9
GearScore™ Verdict — Which should you buy?
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.
Professional Sports, Wildlife & Action Photography — A9 (2017): The camera that changed professional photography — the A9's 20fps blackout-free burst and silent shutter proved mirrorless had definitively surpassed the DSLR.
Who should buy what
OM System TG-7 (2023)
- Divers and snorkellers who need a waterproof camera without a housing
- Outdoor and adventure photographers who want a rugged pocket compact
- Parents who want an indestructible camera for children and family adventures
- Travellers who want a tough backup camera that can go anywhere
A9 (2017)
- Sports photographers who want the original 20fps mirrorless at a lower used price than the A9 II
- Wildlife photographers who need blackout-free burst with fast, reliable tracking
- Sony FE system users who want a professional sports body
- Photographers interested in the camera that changed the industry
Quick take: The a9 has the highest resolution at 24mp; the om system tg-7 is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | OM System TG-7 (2023) | A9 (2017) |
|---|---|---|
| Price | £449 | £1,999 |
| Sensor | 12MP BSI CMOS | 24.2MP Full-Frame Stacked BSI CMOS Exmor RS |
| Resolution | 12.0MP | 24.2MP |
| Video | 4K/30p, 1080p/120p | 4K/30p, 1080p/120p |
| Autofocus | Hybrid phase/contrast AF | 693 phase-detect + 25 contrast-detect, real-time eye/body tracking |
| Stabilisation | Digital IS | IBIS — 5-axis, up to 5 stops |
| Burst Rate | 20fps | 20fps (blackout-free, silent electronic shutter with full AF/AE) |
| Battery Life | 340 shots (CIPA) | ~650 shots (CIPA) |
| Weight | 253g | 673g (with battery and card) |
| Dimensions | 113.0 × 66.5 × 32.7mm | 126.9 × 95.6 × 63.0mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | None | EVF, OLED 3.69M dots, 0.78× magnification, 60fps refresh (blackout-free) |
| Screen | 3.0" fixed TFT LCD | 3.0" tilting touchscreen |
| Mount | Fixed 25mm-equiv f/2.0 lens (4× optical zoom) | Sony FE (full-frame E-mount) |
| Memory Cards | Single SD UHS-I | Dual SD UHS-II slots |
| Connectivity | USB-C, Wi-Fi, Bluetooth | USB, Wi-Fi 5GHz, Bluetooth, HDMI |
Suitability by genre
| Genre | OM System TG-7 | A9 |
|---|---|---|
| Adventure & Outdoor | — | |
| Underwater | — | |
| Travel | ||
| Family & Everyday | — | |
| Street | — | |
| Portrait | ||
| Sports & Action | — | |
| Wildlife | — | |
| Wedding & Events | — | |
| Vlogging & Video | — |
GearScore™ suitability scores are based on aggregated purchaser reviews weighted by photography genre. See how scores are calculated →
More comparisons with OM System TG-7
Camera family history