Decision tools · Compare
OM-1 vs A5000
Quick take: The OM-1 has the highest resolution at 20MP; the A5000 is the most affordable; only the OM-1 is weather sealed.
16 specs side by side·15 genres scored·UK prices from Wex Photo Video and Clifton Cameras
How to read this page. Highlighted cells win that row on the spec alone. Genre scores are the engine's base scores (enthusiast, photo and video); Camera Match re-weights them for your level and priorities. Price buttons are affiliate links; the price you pay is the same.
Price buttons are affiliate links — GearFrame may earn a commission at no extra cost to you. It never affects a score. Learn more
Verdictwhich should you buy?
OM-1 — Wildlife, Sport, Outdoor: OM System's statement camera — class-leading weather sealing and the best IBIS in the business.
Who should buy what
OM-1 (2022)
is the right camera for you if…
- Wildlife and bird photographers who need fast burst and pro weather sealing
- Outdoor photographers who work in challenging conditions
Full specificationsthe better value in each row is highlighted
| Specification | OM-1OM System · 2022 | A5000Sony · 2014 |
|---|---|---|
| Price | £1,299 | £154Best |
| Sensor | Micro Four Thirds Live MOS stacked BSI | 20.1MP APS-C CMOS |
| Resolution | 20.4MPBest | 20.1MP |
| Video | 4K 60fps 10-bit | Full HD 1080 (60i / 25p AVCHD), 1440×1080/30p MP4 |
| Autofocus | 1053-point cross-type phase-detect, AI subject recognition | 25-point contrast AF with face detection |
| Stabilisation | 5-axis IBIS, 7.0 stops (8 stops with sync IS) | No IBIS (lens-based stabilisation only) |
| Burst Rate | 10fps mechanical, 50fps electronic, 120fps Pro CaptureBest | 3.5fps |
| Battery Life | 520 shots (CIPA)Best | ~420 shots (CIPA) |
| Weight | 599g (body only) | 269g (with battery)Best |
| Dimensions | 134.8 × 91.6 × 72.7mm | 109.6 × 62.8 × 35.7mm |
| Weather Sealed | YesBest | Not weather sealed |
| Viewfinder | EVF 0.83× 5.76M-dot | None (rear screen only) |
| Screen | 3.0" fully articulating touchscreen, 1.62M-dot | 3.0" 180° flip-up LCD, 460k dots |
| Mount | Micro Four Thirds | Sony E-mount |
| Memory Cards | Dual SD UHS-II slots | Single SD slot |
| Connectivity | Wi-Fi 5GHz, Bluetooth 5.0, USB-C 3.1, HDMI, 3.5mm mic/headphone | Micro USB (Multi Terminal), micro HDMI, Wi-Fi, NFC |
Wins the row — price, resolution, burst, battery, weight and sealing are compared; text specs aren't ranked.
How they score by genreengine base scores out of 10
Genre
OM-1
A5000
Portrait
7.3/10
4.3/10
Street
6.5/10
6.5/10
Travel
6.2/10
6.1/10
Wedding & Events
7.6/10
2.6/10
Vlogging & Video
6.3/10
—
Filmmaking
6.6/10
—
Documentary
7.6/10
3.5/10
Sports & Action
9.2/10
3.1/10
Landscape
6.0/10
4.7/10
Wildlife
9.0/10
4.2/10
Casual
5.6/10
4.2/10
Food
7.1/10
5.2/10
Macro
8.1/10
4.7/10
Architecture
6.1/10
4.8/10
Astrophotography
5.9/10
4.8/10
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 →
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