Upgrade Guide
OM System OM-3→OM System TG-7
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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Situational
One clear hardware improvement over the OM-3. Worth it if that specific upgrade aligns with what you shoot.
What's new in the TG-7
-
Burst rate20fps vs 10fps mechanical, 30fps electronic with AF
Unchanged or similar
-
Resolution12MP (down from 20MP — optimised for low light)
-
StabilisationIBIS not present in new body
Suitability by genre
Base scores — computed from verified specs for an enthusiast shooting photo and video. The Upgrade Checker adjusts them for your skill level.
| Genre | OM-3 | TG-7 | |
|---|---|---|---|
| Portrait | -4.0 | ||
| Street | -1.0 | ||
| Travel | -0.4 | ||
| Wedding & Events | -4.0 | ||
| Vlogging & Video | — | ||
| Filmmaking | -3.9 | ||
| Documentary | -2.9 | ||
| Sports & Action | — | ||
| Landscape | -2.4 | ||
| Wildlife | — | ||
| Casual | +0.4 | ||
| Food | -3.2 | ||
| Macro | -2.5 | ||
| Architecture | -3.4 | ||
| Astrophotography | -3.5 | ||
| Underwater | — | ||
| Fun & simple | — |
Full spec comparison
| Spec | OM-3 | TG-7 | |
|---|---|---|---|
| Price | £999 | £449 | |
| Released | 2025 | 2023 | ↓ |
| Sensor | 20.4MP Live MOS Micro Four Thirds | 12MP BSI CMOS | |
| Resolution | 20MP | 12MP | ↓ |
| Video | 4K/60p (10-bit), C4K/30p, 1080p/120p | 4K/30p, 1080p/120p | |
| Autofocus | Phase-detect AF — subject recognition (human, animal, bird, vehicle) | Contrast-detect AF with face detection | |
| Stabilisation | IBIS — up to 6.5 stops (7.5 stops with Sync IS lenses) | Sensor-shift IS for stills, digital IS for video | |
| Burst Rate | 10fps mechanical, 30fps electronic with AF | 20fps | ↑ |
| Battery Life | ~400 shots (CIPA) | 340 shots (CIPA) | ↓ |
| Weight | 414g (with battery and card) | 253g (with battery and card) | ↑ |
| Weather Sealed | Yes | Yes | |
| Viewfinder | EVF, 2.36M dots, 0.74× magnification | No viewfinder | |
| Screen | 3.0" fully articulating touchscreen | 3.0" fixed TFT LCD | |
| Mount | Micro Four Thirds | Fixed 25mm-equiv f/2.0 lens (4× optical zoom) | |
| Memory Cards | Single SD UHS-II slot | Single SD UHS-I |
Compare side-by-side
⚖️ Compare these cameras
See OM-3 and TG-7 next to each other with our interactive comparison tool.
Get a personalised upgrade score
Run the upgrade checker →
Tell us what you shoot and we'll score the TG-7 against your specific genres — not just specs.
Other upgrades from the OM-3
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Camera family history