Upgrade Guide
OM System OM-1→OM System OM System TG-7
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 OM System TG-7
-
Burst rate20fps vs 10fps mechanical, 50fps electronic, 120fps Pro Capture
-
Generation1 year newer (2023 vs 2022)
Unchanged or similar
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Resolution12MP (down from 20MP — optimised for low light)
-
StabilisationIBIS not present in new body
Suitability by genre
| Genre | OM-1 | OM System TG-7 | |
|---|---|---|---|
| Wildlife | — | ||
| Sports & Action | — | ||
| Landscape | — | ||
| Travel | +1.0 | ||
| Portrait | -3.0 | ||
| Casual | — | ||
| Astrophotography | — | ||
| Adventure & Outdoor | — | ||
| Underwater | — | ||
| Family & Everyday | — | ||
| Street | — |
Full spec comparison
| Spec | OM-1 | OM System TG-7 | |
|---|---|---|---|
| Price | £1,299 | £449 | |
| Released | 2022 | 2023 | ↑ |
| Sensor | Micro Four Thirds Live MOS stacked BSI | 12MP BSI CMOS | |
| Resolution | 20MP | 12MP | ↓ |
| Video | 4K 60fps 10-bit | 4K/30p, 1080p/120p | |
| Autofocus | 1053-point cross-type phase-detect, AI subject recognition | Hybrid phase/contrast AF | |
| Stabilisation | 5-axis IBIS, 7.0 stops (8 stops with sync IS) | Digital IS | |
| Burst Rate | 10fps mechanical, 50fps electronic, 120fps Pro Capture | 20fps | ↑ |
| Battery Life | 520 shots (CIPA) | 340 shots (CIPA) | ↓ |
| Weight | 599g (body only) | 253g | ↑ |
| Weather Sealed | Yes | Yes | |
| Viewfinder | EVF 0.83× 5.76M-dot | None | |
| Screen | 3.0" fully articulating touchscreen, 1.62M-dot | 3.0" fixed TFT LCD | |
| Mount | Micro Four Thirds | Fixed 25mm-equiv f/2.0 lens (4× optical zoom) | |
| Memory Cards | 2× SD UHS-II / CFexpress Type B | Single SD UHS-I |
Compare side-by-side
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Camera family history