OM-5vs A7R IV
VS
GearScore™ Verdict — Which should you buy?
Outdoor & Adventure — OM-5 (2022): The toughest camera at this price — IP53 weather sealing and 7.5-stop IBIS built for adventure photographers.
Landscape, Studio, Commercial — A7R IV (2019): 61MP in a mirrorless body — the resolution benchmark.
Who should buy what
OM-5 (2022)
- Outdoor and adventure photographers who need a compact, weather-sealed body
- Travellers who want MFT's compact size with pro-level weather protection
- E-M5 III owners upgrading to OM System's improved subject detection
- Photographers who want strong IBIS and rugged build without OM-1 pricing
A7R IV (2019)
- Landscape photographers who print large
- Studio shooters needing maximum detail
Quick take: The a7r iv has the highest resolution at 61mp; the om-5 is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | OM-5 (2022) | A7R IV (2019) |
|---|---|---|
| Price | £899 | £2,199 |
| Sensor | 20.4MP Micro Four Thirds Live MOS | Full-frame BSI Exmor R CMOS 35mm |
| Resolution | 20.4MP | 61.0MP |
| Video | 4K/60p, 4K/120p Cinema4K | 4K 30fps |
| Autofocus | Phase-detect, 121 all-cross points, subject tracking | 567-point phase-detect, real-time tracking |
| Stabilisation | 5-axis IBIS, 7.5 stops (Dual IS with compatible lenses) | 5-axis IBIS, 5.5 stops |
| Burst Rate | 30fps electronic, 10fps mechanical | 10fps |
| Battery Life | ~370 shots (CIPA) | 670 shots (CIPA) |
| Weight | 414g body only | 665g (body only) |
| Dimensions | 122.3 × 87.6 × 49.7mm | 128.9 × 96.4 × 77.5mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | EVF, 2.36M dots, 0.74× magnification | EVF 0.78× 5.76M-dot |
| Screen | 3.0" fully articulating touchscreen | 3.0" tilting touchscreen, 1.44M-dot |
| Mount | Micro Four Thirds | Sony E-Mount |
| Memory Cards | Dual SD UHS-II slots | 2× SD UHS-II / CFexpress Type A |
| Connectivity | USB-C, Bluetooth, Wi-Fi | Wi-Fi 5GHz, Bluetooth 4.1, USB-C 3.2 |
Suitability by genre
| Genre | OM-5 | A7R IV |
|---|---|---|
| Outdoor & Adventure | — | |
| Landscape | — | |
| Travel | — | |
| Wildlife | — | |
| Portrait | — | |
| Sports & Action | — |
More comparisons with OM-5
Camera family history