GFX 50S IIvs X-A7vs OM System TG-7
OM System
OM System TG-7 (2023)
From £449
Best for Adventure, underwater & outdoor use
View OM System TG-7
Which should you buy?
Studio & Portrait Specialists — GFX 50S II (2021): Medium format quality at the most accessible price ever — 51MP detail and tonal richness no APS-C or full-frame body can replicate.
Beginner Fujifilm — X-A7 (2019): The most affordable X-mount entry — Fujifilm colour and film simulations with a large flip screen for beginners.
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
GFX 50S II (2021)
- You want to experience medium format without a five-figure investment
- You shoot landscape, architecture, or portraits where resolution and tonal depth matter
- You're in the Fujifilm ecosystem and want to step up to a larger sensor
X-A7 (2019)
- You want an affordable first mirrorless with decent video capabilities
- You shoot a lot of selfie-style content or vlog on a budget
- Note: no viewfinder and limited lens support — the X-T30 II is a better long-term investment
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 gfx 50s ii has the highest resolution at 51mp; the x-a7 is the most affordable; only the gfx 50s ii, om system tg-7 are weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | GFX 50S II (2021) | X-A7 (2019) | OM System TG-7 (2023) |
|---|---|---|---|
| Price | £2,999 | £399 | £449 |
| Sensor | 51.4MP Medium Format GFX 44×33mm BSI CMOS | 24.2MP APS-C CMOS (Bayer, not X-Trans) | 12MP BSI CMOS |
| Resolution | 51.4MP | 24.2MP | 12.0MP |
| Video | 4K/30p (cropped) | 4K/30p, 1080p/60p | 4K/30p, 1080p/120p |
| Autofocus | Phase-detect, 425 points | Phase-detect + contrast, 425 points | Hybrid phase/contrast AF |
| Stabilisation | 5-axis IBIS, 6.5 stops | None (no IBIS) | Digital IS |
| Burst Rate | 3fps | 6fps | 20fps |
| Battery Life | ~440 shots (CIPA) | ~440 shots (CIPA) | 340 shots (CIPA) |
| Weight | 900g body only | 320g body only | 253g |
| Dimensions | 150.0 × 104.2 × 87.2mm | 118.0 × 80.6 × 55.2mm | 113.0 × 66.5 × 32.7mm |
| Weather Sealed | Yes | No | Yes |
| Viewfinder | EVF, 3.69M dots, 0.77× magnification | None | None |
| Screen | 3.2" tilting touchscreen | 3.5" fully articulating touchscreen | 3.0" fixed TFT LCD |
| Mount | Fujifilm G-mount (medium format) | Fujifilm X-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-C, Bluetooth, Wi-Fi | USB Micro-B, Bluetooth, Wi-Fi, micro HDMI | USB-C, Wi-Fi, Bluetooth |
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