EOS-1D X Mark IIIvs OM System TG-7
Canon
EOS-1D X Mark III (2020)
Starting from £3500 new
Best for Professional Sports, Wildlife & Press Photography
View EOS-1D X Mark III
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?
Professional Sports, Wildlife & Press Photography — EOS-1D X Mark III (2020): Canon's DSLR masterpiece — 20fps live view, 5.5K RAW, 191 cross-type AF points, and dual CFexpress. Almost certainly the finest optical viewfinder camera ever made.
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
EOS-1D X Mark III (2020)
- Sports and wildlife photographers with a Canon EF lens collection
- Professionals who prefer the optical viewfinder experience
- Press photographers who need 20fps, weather sealing, and Ethernet
- Canon historians who want to mark the end of the EOS-1D DSLR era
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 eos-1d x mark iii 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 | EOS-1D X Mark III (2020) | OM System TG-7 (2023) |
|---|---|---|
| Price | £3,500 | £449 |
| Sensor | 20.1MP full-frame CMOS | 12MP BSI CMOS |
| Resolution | 20.1MP | 12.0MP |
| Video | 5.5K RAW, 4K 60fps (crop), 4K 60fps (full-frame via firmware) | 4K/30p, 1080p/120p |
| Autofocus | 191-point all cross-type OVF AF; 525-point Dual Pixel CMOS AF (Live View) | Hybrid phase/contrast AF |
| Stabilisation | — | Digital IS |
| Burst Rate | 16fps mechanical, 20fps live view | 20fps |
| Battery Life | ~2850 shots (CIPA) | 340 shots (CIPA) |
| Weight | 1250g (body only) | 253g |
| Dimensions | 158 × 167.6 × 82.6mm | 113.0 × 66.5 × 32.7mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | OVF 0.76× magnification, 100% coverage | None |
| Screen | 3.2" fully articulating touchscreen, 4.15M dots | 3.0" fixed TFT LCD |
| Mount | Canon EF | Fixed 25mm-equiv f/2.0 lens (4× optical zoom) |
| Memory Cards | Dual CFexpress Type B slots | Single SD UHS-I |
| Connectivity | Wi-Fi 5GHz, Bluetooth 4.2, USB-C 3.1 Gen 2, Ethernet | USB-C, Wi-Fi, Bluetooth |
Suitability by genre
| Genre | EOS-1D X Mark III | OM System TG-7 |
|---|---|---|
| Sports & Action | — | |
| Wildlife | — | |
| Wedding & Events | — | |
| Portrait | ||
| Vlogging & Video | — | |
| Street | ||
| Landscape | — | |
| Adventure & Outdoor | — | |
| Underwater | — | |
| Travel | — | |
| Family & Everyday | — |
GearScore™ suitability scores are based on aggregated purchaser reviews weighted by photography genre. See how scores are calculated →
More comparisons with EOS-1D X Mark III
Camera family history