OM-3vs A6600
OM System
OM-3 (2024)
Starting from £999 new
Best for Travel, outdoor & adventure photography
View OM-3
VS
Sony
A6600 (2019)
Starting from £1299 new
Best for Hybrid photography, travel & video on Sony APS-C
View A6600
GearScore™ Verdict — Which should you buy?
Travel, Outdoor & Adventure Photography — OM-3 (2024): The ideal mid-range OM System camera — weather sealed, class-leading IBIS, and superb computational features in a compact body.
Hybrid Photography, Travel & Video On Sony Aps-C — A6600 (2019): The APS-C Sony that has everything — IBIS, real-time Eye AF, excellent battery life, and 4K/30p in a weather-sealed body.
Who should buy what
OM-3 (2024)
- Outdoor and adventure photographers who need weather sealing and compact size
- Wildlife and bird photographers wanting improved AF over the OM-5
- Travel shooters who want a rugged, lightweight MFT system
- OM-5 or E-M5 III owners wanting better autofocus without going to the OM-1
A6600 (2019)
- Sony APS-C shooters who need IBIS — the only A6000-series body to offer it
- Hybrid photographers who want the best of stills and video from a compact E-mount body
- A6400 or A6100 owners who want IBIS and a headphone jack for video work
- Travel photographers who need compact full-featured weather-sealed performance
Quick take: The a6600 has the highest resolution at 24mp; the om-3 is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | OM-3 (2024) | A6600 (2019) |
|---|---|---|
| Price | £999 | £1,299 |
| Sensor | 20.4MP Live MOS Micro Four Thirds | 24.2MP APS-C Exmor CMOS |
| Resolution | 20.4MP | 24.2MP |
| Video | 4K/60p (10-bit), C4K/30p, 1080p/120p | 4K/30p (no crop), 1080p/120p |
| Autofocus | Phase-detect AF — subject recognition (human, animal, bird, vehicle) | Real-time Eye AF, real-time tracking — inherited from A9 |
| Stabilisation | IBIS — up to 6.5 stops (7.5 stops with Sync IS lenses) | 5-axis IBIS — 5 stops |
| Burst Rate | 10fps mechanical, 30fps electronic with AF | 11fps continuous with AF/AE |
| Battery Life | ~400 shots (CIPA) | ~810 shots (CIPA) — large NP-FZ100 battery |
| Weight | 414g (with battery) | 503g body only |
| Dimensions | 122.3 × 84.6 × 49.4mm | 120 × 66.9 × 69.3mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | EVF, 2.36M dots, 0.74× magnification | EVF, 2.36M dots, 0.70× magnification |
| Screen | 3.0" fully articulating touchscreen | 3.0" touchscreen, tilting |
| Mount | Micro Four Thirds | Sony E-mount (APS-C) |
| Memory Cards | Single SD UHS-II slot | Single SD UHS-I slot |
| Connectivity | USB-C, Wi-Fi, Bluetooth | USB-C, Bluetooth, Wi-Fi, 3.5mm mic & headphone jacks |
Suitability by genre
| Genre | OM-3 | A6600 |
|---|---|---|
| Travel | ||
| Wildlife | ||
| Landscape | — | |
| Street | ||
| Portrait | ||
| Vlogging & Video | ||
| Sports | — |
More comparisons with OM-3
Camera family history