Upgrade Guide
Pentax WG-8→Pentax Pentax K-3 Mark III
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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Worthwhile
Clear improvements over the WG-8. Whether it justifies the cost depends on which upgrades matter most to your shooting.
What's new in the Pentax K-3 Mark III
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Resolution26MP vs 20MP (+6MP)
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StabilisationIBIS added — significant for handheld and video
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Burst rate12fps vs 1fps
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Battery life800 shots (CIPA) vs 340 shots (CIPA)
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 | WG-8 | Pentax K-3 Mark III | |
|---|---|---|---|
| Portrait | +3.4 | ||
| Street | -0.2 | ||
| Travel | -0.5 | ||
| Wedding & Events | +4.5 | ||
| Filmmaking | +3.0 | ||
| Documentary | +1.9 | ||
| Landscape | +2.2 | ||
| Casual | -1.1 | ||
| Food | +1.9 | ||
| Macro | +1.9 | ||
| Architecture | +2.8 | ||
| Astrophotography | +4.3 | ||
| Underwater | — | ||
| Fun & simple | — | ||
| Sports & Action | — | ||
| Wildlife | — |
Full spec comparison
| Spec | WG-8 | Pentax K-3 Mark III | |
|---|---|---|---|
| Price | £479 | £1,699 | |
| Released | 2022 | 2021 | ↓ |
| Sensor | 20MP 1/2.3-inch BSI CMOS | 25.7MP APS-C BSI CMOS (AA-filterless) | |
| Resolution | 20MP | 26MP | ↑ |
| Video | 4K | 4K/30p, 1080p/60p | |
| Autofocus | Contrast-detect AF | SAFOX 13 phase-detect, 101-point (25 cross-type) | |
| Stabilisation | No stabilisation | 5.5-stop 5-axis IBIS (Shake Reduction III) | |
| Burst Rate | 1fps | 12fps | ↑ |
| Battery Life | 340 shots (CIPA) | 800 shots (CIPA) | ↑ |
| Weight | 242g (with battery and card) | 820g (body only) | ↓ |
| Weather Sealed | Yes | Yes | |
| Viewfinder | None (screen only) | Optical pentaprism, 100% coverage, 1.05× magnification | |
| Screen | Fixed screen, no touch | 3.2" fixed touchscreen | |
| Mount | Fixed zoom lens | Pentax KF-mount | |
| Memory Cards | Single SD (FlashAir compatible) + 27MB internal buffer | Dual SD UHS-II |
Compare side-by-side
⚖️ Compare these cameras
See WG-8 and Pentax K-3 Mark III 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 Pentax K-3 Mark III against your specific genres — not just specs.
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