OM-1vs A7CR
VS
Sony
A7CR (2023)
Starting from £3099 new
Best for Travel, landscape & portrait photography with minimal kit
View A7CR
GearScore™ Verdict — Which should you buy?
Wildlife, Sport, Outdoor — OM-1 (2022): OM System's statement camera — class-leading weather sealing and the best IBIS in the business.
Travel, Landscape & Portrait Photography With Minimal Kit — A7CR (2023): The world's smallest 61MP full-frame camera — A7R V quality in a pocketable A7C body.
Who should buy what
OM-1 (2022)
- Wildlife and bird photographers who need fast burst and pro weather sealing
- Outdoor photographers who work in challenging conditions
A7CR (2023)
- Landscape photographers who want 61MP resolution without carrying a large body
- Travel photographers who need professional image quality in the smallest possible package
- Portrait shooters who want A7R V sensor quality with the ease of the A7C form factor
- A7C owners ready for a major resolution upgrade without changing bodies
Quick take: The a7cr has the highest resolution at 61mp; the om-1 is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | OM-1 (2022) | A7CR (2023) |
|---|---|---|
| Price | £1,299 | £3,099 |
| Sensor | Micro Four Thirds Live MOS stacked BSI | 61.0MP full-frame BSI CMOS |
| Resolution | 20.4MP | 61.0MP |
| Video | 4K 60fps 10-bit | 4K/60p 10-bit, 1080p/120p — S-Log3, S-Cinetone |
| Autofocus | 1053-point cross-type phase-detect, AI subject recognition | AI subject recognition — phase-detect with human, animal, bird detection |
| Stabilisation | 5-axis IBIS, 7.0 stops (8 stops with sync IS) | 7-stop IBIS |
| Burst Rate | 10fps mechanical, 50fps electronic, 120fps Pro Capture | 8fps mechanical, 15fps electronic |
| Battery Life | 520 shots (CIPA) | ~530 shots (CIPA) |
| Weight | 599g (body only) | 514g body only |
| Dimensions | 134.8 × 91.6 × 72.7mm | 124.0 × 71.1 × 63.4mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | EVF 0.83× 5.76M-dot | EVF 0.70× 2.36M-dot |
| Screen | 3.0" fully articulating touchscreen, 1.62M-dot | 3.0" fully articulating touchscreen, 1.03M dots |
| Mount | Micro Four Thirds | Sony E-mount (full-frame) |
| Memory Cards | 2× SD UHS-II / CFexpress Type B | Single CFexpress Type A / SD UHS-II slot |
| Connectivity | Wi-Fi 5GHz, Bluetooth 5.0, USB-C 3.1, HDMI, 3.5mm mic/headphone | USB-C 3.2 Gen 2, Wi-Fi 5GHz, Bluetooth 5.0 |
Suitability by genre
| Genre | OM-1 | A7CR |
|---|---|---|
| Wildlife | — | |
| Sports & Action | — | |
| Landscape | ||
| Travel | ||
| Portrait | ||
| Casual | — | |
| Astrophotography | — | |
| Street | — | |
| Sports | — | |
| Vlogging & Video | — |
More comparisons with OM-1
Camera family history