OM-3vs OM System TG-7
OM System
OM-3 (2024)
Starting from £999 new
Best for Travel, outdoor & adventure photography
View OM-3
VS
OM System
OM System TG-7 (2023)
Starting from £449 new
Best for Adventure, underwater & outdoor use
View OM System TG-7
GearScore™ Verdict — Which should you buy?
Travel, Outdoor & Adventure Photography — OM-3 (2024): The ideal mid-range OM System camera — weather sealed, class-leading IBIS, and superb computational features in a compact 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
OM-3 (2024)
- Outdoor and adventure photographers who need weather sealing and compact size
- Wildlife and bird photographers wanting improved AF over the OM-5
- Travel shooters who want a rugged, lightweight MFT system
- OM-5 or E-M5 III owners wanting better autofocus without going to the OM-1
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
Quick take: The om-3 has the highest resolution at 20mp; the om system tg-7 is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | OM-3 (2024) | OM System TG-7 (2023) |
|---|---|---|
| Price | £999 | £449 |
| Sensor | 20.4MP Live MOS Micro Four Thirds | 12MP BSI CMOS |
| Resolution | 20.4MP | 12.0MP |
| Video | 4K/60p (10-bit), C4K/30p, 1080p/120p | 4K/30p, 1080p/120p |
| Autofocus | Phase-detect AF — subject recognition (human, animal, bird, vehicle) | Hybrid phase/contrast AF |
| Stabilisation | IBIS — up to 6.5 stops (7.5 stops with Sync IS lenses) | Digital IS |
| Burst Rate | 10fps mechanical, 30fps electronic with AF | 20fps |
| Battery Life | ~400 shots (CIPA) | 340 shots (CIPA) |
| Weight | 414g (with battery) | 253g |
| Dimensions | 122.3 × 84.6 × 49.4mm | 113.0 × 66.5 × 32.7mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | EVF, 2.36M dots, 0.74× magnification | None |
| Screen | 3.0" fully articulating touchscreen | 3.0" fixed TFT LCD |
| Mount | Micro Four Thirds | Fixed 25mm-equiv f/2.0 lens (4× optical zoom) |
| Memory Cards | Single SD UHS-II slot | Single SD UHS-I |
| Connectivity | USB-C, Wi-Fi, Bluetooth | USB-C, Wi-Fi, Bluetooth |
Suitability by genre
| Genre | OM-3 | OM System TG-7 |
|---|---|---|
| Travel | ||
| Wildlife | — | |
| Landscape | — | |
| Street | ||
| Portrait | ||
| Vlogging & Video | — | |
| Adventure & Outdoor | — | |
| Underwater | — | |
| Family & Everyday | — |
More comparisons with OM-3
Camera family history