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Quick take: The A6100 has the highest resolution at 24MP; the A6100 is the most affordable; only the OM-1 Mark II is weather sealed.
16 specs side by side·15 genres scored·UK prices from Wex Photo Video and Clifton Cameras
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OM-1 Mark II — Wildlife, Birds & Outdoor Sports: OM System's most capable camera — 120fps AF burst, AI subject detection, and IP53 weather sealing make it the best-value pro wildlife camera.
A6100 — Beginner, Family, Travel: Best autofocus in its class for the price.
| Specification | OM-1 Mark IIOM System · 2024 | A6100Sony · 2019 |
|---|---|---|
| Price | £2,049 | £649Best |
| Sensor | 20MP Micro Four Thirds Live MOS | APS-C Exmor CMOS |
| Resolution | 20.0MP | 24.2MPBest |
| Video | 4K/60p, 1080p/240p, 4K HLG | 4K 30fps |
| Autofocus | AI subject detection AF (birds, animals, motorsport) | 425-point phase-detect, real-time tracking |
| Stabilisation | 8.5-stop IBIS | No stabilisation |
| Burst Rate | 120fps with AF trackingBest | 11fps |
| Battery Life | 520 shots (CIPA)Best | 420 shots (CIPA) |
| Weight | 599g (body only) | 396g (body only)Best |
| Dimensions | 134.8 × 91.6 × 72.7mm | 119.9 × 66.9 × 59.4mm |
| Weather Sealed | YesBest | Not weather sealed |
| Viewfinder | 0.83" OLED EVF, 5.76M dots, 120fps | EVF 0.39" 1.44M-dot |
| Screen | 3.0" fully articulating touchscreen | 3.0" tilting touchscreen, 921k-dot |
| Mount | Micro Four Thirds | Sony E-Mount |
| Memory Cards | Dual SD UHS-II | SD UHS-I / Memory Stick |
| Connectivity | USB-C, Wi-Fi, Bluetooth | Wi-Fi, Bluetooth 4.1, Micro USB, Micro HDMI |
Wins the row — price, resolution, burst, battery, weight and sealing are compared; text specs aren't ranked.
Scores come from the same engine as Camera Match: verified specifications weighted by what each genre needs, with documented adjustments. The product page and this table show the enthusiast base score. See how scores are calculated →