X-A7vs Z6 IIIvs 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?
Beginner Fujifilm — X-A7 (2019): The most affordable X-mount entry — Fujifilm colour and film simulations with a large flip screen for beginners.
Hybrid Video & Action — Z6 III (2024): Partial-stacked FF sensor for near-zero blackout, 6K RAW video, and 60fps burst — Nikon's most capable hybrid.
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
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
Z6 III (2024)
- You need the best all-round full-frame camera in Nikon's Z system
- You shoot in challenging or low light and need exceptional high-ISO performance
- You want a hybrid body that genuinely excels at both professional stills and video
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 z6 iii has the highest resolution at 24mp; the x-a7 is the most affordable; only the z6 iii, om system tg-7 are weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | X-A7 (2019) | Z6 III (2024) | OM System TG-7 (2023) |
|---|---|---|---|
| Price | £399 | £2,199 | £449 |
| Sensor | 24.2MP APS-C CMOS (Bayer, not X-Trans) | 24.5MP Full-frame Partial-stacked CMOS | 12MP BSI CMOS |
| Resolution | 24.2MP | 24.5MP | 12.0MP |
| Video | 4K/30p, 1080p/60p | 6K/60p RAW, 4K/120p, 4K/60p oversampled, N-Log, 10-bit | 4K/30p, 1080p/120p |
| Autofocus | Phase-detect + contrast, 425 points | Phase-detect, 273 points, subject detection (human/animal/vehicle/aircraft) | Hybrid phase/contrast AF |
| Stabilisation | None (no IBIS) | 5-axis IBIS, 6.0 stops | Digital IS |
| Burst Rate | 6fps | 20fps mechanical, 60fps electronic | 20fps |
| Battery Life | ~440 shots (CIPA) | ~380 shots (CIPA) | 340 shots (CIPA) |
| Weight | 320g body only | 760g body only | 253g |
| Dimensions | 118.0 × 80.6 × 55.2mm | 138.5 × 101.5 × 74.0mm | 113.0 × 66.5 × 32.7mm |
| Weather Sealed | No | Yes | Yes |
| Viewfinder | None | EVF, 5.76M dots, 0.90× magnification | None |
| Screen | 3.5" fully articulating touchscreen | 3.2" fully articulating touchscreen | 3.0" fixed TFT LCD |
| Mount | Fujifilm X-mount | Nikon Z-mount (full-frame) | Fixed 25mm-equiv f/2.0 lens (4× optical zoom) |
| Memory Cards | Single SD UHS-I slot | Dual slots: CFexpress Type B + SD UHS-II | Single SD UHS-I |
| Connectivity | USB Micro-B, Bluetooth, Wi-Fi, micro HDMI | USB-C 3.2, Bluetooth, Wi-Fi | USB-C, Wi-Fi, Bluetooth |
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