OM-1vs A1
VS
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.
Professional Sport, Wildlife, Portrait & Hybrid Shooting — A1 (2021): 50MP, 30fps, 8K — the Sony A1 is the most complete professional camera ever made.
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
A1 (2021)
- Professional photographers who need resolution and speed without compromise
- Sports and wildlife photographers demanding the absolute fastest Sony
- Studio and fashion photographers who also shoot sport or events
- A9 III or A7R V owners who want a single body that does everything
Quick take: The a1 has the highest resolution at 50mp; the om-1 is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | OM-1 (2022) | A1 (2021) |
|---|---|---|
| Price | £1,299 | £5,999 |
| Sensor | Micro Four Thirds Live MOS stacked BSI | 50.1MP Full-Frame Stacked BSI CMOS Exmor RS |
| Resolution | 20.4MP | 50.1MP |
| Video | 4K 60fps 10-bit | 8K/30p, 4K/120p, 1080p/240p |
| Autofocus | 1053-point cross-type phase-detect, AI subject recognition | Real-time Tracking, AI subject recognition — 759 phase-detect points |
| Stabilisation | 5-axis IBIS, 7.0 stops (8 stops with sync IS) | IBIS — up to 5.5 stops |
| Burst Rate | 10fps mechanical, 50fps electronic, 120fps Pro Capture | 30fps electronic with full AF/AE |
| Battery Life | 520 shots (CIPA) | ~430 shots (CIPA) |
| Weight | 599g (body only) | 737g (with battery) |
| Dimensions | 134.8 × 91.6 × 72.7mm | 128.9 × 96.9 × 80.8mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | EVF 0.83× 5.76M-dot | EVF, 9.44M dots, 0.90× magnification, 240fps |
| Screen | 3.0" fully articulating touchscreen, 1.62M-dot | 3.0" fully tilting touchscreen |
| Mount | Micro Four Thirds | Sony FE mount (full-frame E-mount) |
| Memory Cards | 2× SD UHS-II / CFexpress Type B | Dual CFexpress Type A / SD UHS-II |
| Connectivity | Wi-Fi 5GHz, Bluetooth 5.0, USB-C 3.1, HDMI, 3.5mm mic/headphone | USB-C, Wi-Fi 5GHz, Bluetooth, Ethernet, HDMI |
Suitability by genre
| Genre | OM-1 | A1 |
|---|---|---|
| Sports | — | |
| Portrait | — | |
| Wildlife | — | |
| Vlogging & Video | — | |
| Landscape | — | |
| Wedding | — |
More comparisons with OM-1
Camera family history