OM System TG-7vs A7R IV
OM System
OM System TG-7 (2023)
Starting from £449 new
Best for Adventure, underwater & outdoor use
View OM System TG-7
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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.
Landscape, Studio, Commercial — A7R IV (2019): 61MP in a mirrorless body — the resolution benchmark.
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
A7R IV (2019)
- Landscape photographers who print large
- Studio shooters needing maximum detail
Quick take: The a7r iv has the highest resolution at 61mp; the om system tg-7 is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | OM System TG-7 (2023) | A7R IV (2019) |
|---|---|---|
| Price | £449 | £2,199 |
| Sensor | 12MP BSI CMOS | Full-frame BSI Exmor R CMOS 35mm |
| Resolution | 12.0MP | 61.0MP |
| Video | 4K/30p, 1080p/120p | 4K 30fps |
| Autofocus | Hybrid phase/contrast AF | 567-point phase-detect, real-time tracking |
| Stabilisation | Digital IS | 5-axis IBIS, 5.5 stops |
| Burst Rate | 20fps | 10fps |
| Battery Life | 340 shots (CIPA) | 670 shots (CIPA) |
| Weight | 253g | 665g (body only) |
| Dimensions | 113.0 × 66.5 × 32.7mm | 128.9 × 96.4 × 77.5mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | None | EVF 0.78× 5.76M-dot |
| Screen | 3.0" fixed TFT LCD | 3.0" tilting touchscreen, 1.44M-dot |
| Mount | Fixed 25mm-equiv f/2.0 lens (4× optical zoom) | Sony E-Mount |
| Memory Cards | Single SD UHS-I | 2× SD UHS-II / CFexpress Type A |
| Connectivity | USB-C, Wi-Fi, Bluetooth | Wi-Fi 5GHz, Bluetooth 4.1, USB-C 3.2 |
Suitability by genre
| Genre | OM System TG-7 | A7R IV |
|---|---|---|
| Adventure & Outdoor | — | |
| Underwater | — | |
| Travel | — | |
| Family & Everyday | — | |
| Street | — | |
| Portrait | — |
More comparisons with OM System TG-7
Camera family history