Upgrade Guide
OM System OM-1→OM System Olympus OM-D E-M5 III
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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Worthwhile
Clear improvements over the OM-1. Whether it justifies the cost depends on which upgrades matter most to your shooting.
What's new in the Olympus OM-D E-M5 III
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StabilisationImproved — 7.5-stop 5-axis IBIS
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Burst rate30fps electronic / 10fps mechanical vs 10fps mechanical, 50fps electronic, 120fps Pro Capture
Unchanged or similar
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ResolutionSimilar (20MP)
Suitability by genre
| Genre | OM-1 | Olympus OM-D E-M5 III | |
|---|---|---|---|
| Wildlife | — | ||
| Sports & Action | -2.0 | ||
| Landscape | — | ||
| Travel | +1.0 | ||
| Portrait | — | ||
| Casual | — | ||
| Astrophotography | — | ||
| Street | — | ||
| Vlogging & Video | — |
Full spec comparison
| Spec | OM-1 | Olympus OM-D E-M5 III | |
|---|---|---|---|
| Price | £1,299 | £699 | |
| Released | 2022 | 2019 | ↓ |
| Sensor | Micro Four Thirds Live MOS stacked BSI | 20.4MP Micro Four Thirds Live MOS | |
| Resolution | 20MP | 20MP | |
| Video | 4K 60fps 10-bit | 4K/30p, 1080p/120p | |
| Autofocus | 1053-point cross-type phase-detect, AI subject recognition | Hybrid phase/contrast AF with face/eye detection | |
| Stabilisation | 5-axis IBIS, 7.0 stops (8 stops with sync IS) | 7.5-stop 5-axis IBIS | |
| Burst Rate | 10fps mechanical, 50fps electronic, 120fps Pro Capture | 30fps electronic / 10fps mechanical | ↑ |
| Battery Life | 520 shots (CIPA) | 390 shots (CIPA) | ↓ |
| Weight | 599g (body only) | 414g body only | ↑ |
| Weather Sealed | Yes | Yes | |
| Viewfinder | EVF 0.83× 5.76M-dot | 0.35" OLED EVF, 2.36M dots | |
| Screen | 3.0" fully articulating touchscreen, 1.62M-dot | 3.0" fully articulating touchscreen | |
| Mount | Micro Four Thirds | Micro Four Thirds | |
| Memory Cards | 2× SD UHS-II / CFexpress Type B | Single SD UHS-I |
Compare side-by-side
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