Canon EOS R3vs OM System TG-7vs Sony A7R V
Canon
Canon EOS R3 (2021)
From £5999
Best for Sports & photojournalism professionals
View Canon EOS R3
OM System
OM System TG-7 (2023)
From £449
Best for Adventure, underwater & outdoor use
View OM System TG-7
Which should you buy?
Sports & Photojournalism Professionals — Canon EOS R3 (2021): The pinnacle of Canon's mirrorless lineup for speed — Eye Control AF and 30fps burst in the most rugged body Canon has ever produced.
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 — Sony A7R V (2022): 61 megapixels and 8-stop IBIS in a weather-sealed body — the reference resolution camera for commercial and landscape professionals.
Who should buy what
Canon EOS R3 (2021)
- You shoot sport, motorsport, wildlife, or news at a professional level
- You need Canon's most reliable and fastest autofocus available
- You need extreme weather sealing for demanding shooting conditions
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
Sony A7R V (2022)
- You need the highest resolution in Sony's full-frame mirrorless lineup
- You shoot landscape, architecture, product photography, or high-end fashion professionally
- You want exceptional resolution paired with Sony's best-in-class autofocus system
Quick take: The sony a7r v 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 | Canon EOS R3 (2021) | OM System TG-7 (2023) | Sony A7R V (2022) |
|---|---|---|---|
| Price | £5,999 | £449 | £3,899 |
| Sensor | 24.1MP full-frame BSI stacked CMOS | 12MP BSI CMOS | 61MP full-frame BSI CMOS |
| Resolution | 24.1MP | 12.0MP | 61.0MP |
| Video | 6K RAW, 4K/120p, 1080p/180p | 4K/30p, 1080p/120p | 8K/25p, 4K/60p |
| Autofocus | Dual Pixel CMOS AF II with Eye Control AF | Hybrid phase/contrast AF | AI subject recognition AF, 693-point phase-detect |
| Stabilisation | 8-stop IBIS | Digital IS | 8-stop IBIS |
| Burst Rate | 30fps electronic / 12fps mechanical | 20fps | 10fps mechanical / 7fps electronic |
| Battery Life | 620 shots (CIPA) | 340 shots (CIPA) | 530 shots (CIPA) |
| Weight | 1015g body only | 253g | 723g body only |
| Dimensions | 150.0 × 142.6 × 87.2mm | 113.0 × 66.5 × 32.7mm | 131.3 × 96.4 × 82.4mm |
| Weather Sealed | Yes | Yes | Yes |
| Viewfinder | 0.76" OLED EVF, 5.76M dots, 120fps | None | 0.64" Quad-XGA OLED EVF, 9.44M dots |
| Screen | 3.2" fully articulating touchscreen | 3.0" fixed TFT LCD | 3.2" multi-angle touchscreen |
| Mount | Canon RF | Fixed 25mm-equiv f/2.0 lens (4× optical zoom) | Sony FE (E-mount) |
| Memory Cards | Dual CFexpress Type B | Single SD UHS-I | Dual CFexpress Type A / SD UHS-II |
| Connectivity | USB-C 3.2, HDMI full-size, Wi-Fi 6, Bluetooth, LAN | USB-C, Wi-Fi, Bluetooth | USB-C 3.2, HDMI A, Wi-Fi 6, Bluetooth 5.3 |
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