OM-5vs A7C II
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.
Full-Frame Hybrid — A7C II (2023): Full-frame AI autofocus in the most compact body available — the best camera under £1,500 for hybrid shooters.
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
A7C II (2023)
- Travel photographers who want full-frame quality in the most compact body
- Hybrid shooters who need full-frame video and IBIS in a small package
- A7C owners looking for a significant AF and video upgrade
- Portrait and wedding photographers who want a discreet full-frame backup
Quick take: The a7c ii has the highest resolution at 33mp; the om-5 is the most affordable; only the om-5 is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | OM-5 (2022) | A7C II (2023) |
|---|---|---|
| Price | £899 | £1,499 |
| Sensor | 20.4MP Micro Four Thirds Live MOS | 33MP Full-frame Exmor R BSI CMOS |
| Resolution | 20.4MP | 33.0MP |
| Video | 4K/60p, 4K/120p Cinema4K | 4K/60p oversampled, S-Log3, 10-bit internal |
| Autofocus | Phase-detect, 121 all-cross points, subject tracking | 759-point phase-detect, AI subject recognition |
| Stabilisation | 5-axis IBIS, 7.5 stops (Dual IS with compatible lenses) | 5-axis IBIS, 7.0 stops |
| Burst Rate | 30fps electronic, 10fps mechanical | 10fps mechanical, 30fps electronic |
| Battery Life | ~370 shots (CIPA) | ~530 shots (CIPA) |
| Weight | 414g body only | 514g body only |
| Dimensions | 122.3 × 87.6 × 49.7mm | 124.0 × 71.1 × 63.4mm |
| Weather Sealed | Yes | No |
| Viewfinder | EVF, 2.36M dots, 0.74× magnification | EVF, 2.36M dots, 0.70× magnification |
| Screen | 3.0" fully articulating touchscreen | 3.0" vari-angle touchscreen |
| Mount | Micro Four Thirds | Sony FE (full-frame E-mount) |
| Memory Cards | Dual SD UHS-II slots | Dual slots: SD UHS-II + CFexpress Type A |
| Connectivity | USB-C, Bluetooth, Wi-Fi | USB-C (3.2), Bluetooth, Wi-Fi |
Suitability by genre
| Genre | OM-5 | A7C II |
|---|---|---|
| Outdoor & Adventure | — | |
| Landscape | ||
| Travel | — | |
| Wildlife | — | |
| Portrait | ||
| Sports & Action | ||
| Street | — | |
| Vlogging & Video | — | |
| Wedding & Events | — |
GearScore™ suitability scores are based on aggregated purchaser reviews weighted by photography genre. See how scores are calculated →
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Camera family history