Upgrade Guide
Pentax Pentax K-3 Mark III→Pentax KF
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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Situational
One clear hardware improvement over the Pentax K-3 Mark III. Worth it if that specific upgrade aligns with what you shoot.
What's new in the KF
-
Generation1 year newer (2022 vs 2021)
Unchanged or similar
-
ResolutionSimilar (24MP)
-
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 | Pentax K-3 Mark III | KF | |
|---|---|---|---|
| Portrait | -0.5 | ||
| Street | +0.3 | ||
| Travel | — | ||
| Wedding & Events | -2.0 | ||
| Filmmaking | — | ||
| Documentary | -1.4 | ||
| Sports & Action | -1.5 | ||
| Landscape | -0.1 | ||
| Wildlife | -0.8 | ||
| Casual | — | ||
| Food | +0.5 | ||
| Macro | +0.5 | ||
| Architecture | — | ||
| Astrophotography | -1.7 | ||
| Vlogging & Video | — | ||
| Fun & simple | — |
Full spec comparison
| Spec | Pentax K-3 Mark III | KF | |
|---|---|---|---|
| Price | £1,699 | £700 | |
| Released | 2021 | 2022 | ↑ |
| Sensor | 25.7MP APS-C BSI CMOS (AA-filterless) | 24.2MP APS-C CMOS | |
| Resolution | 26MP | 24MP | ↓ |
| Video | 4K/30p, 1080p/60p | 1080p/60p | |
| Autofocus | SAFOX 13 phase-detect, 101-point (25 cross-type) | SAFOX 13 phase-detect AF with 11 points | |
| Stabilisation | 5.5-stop 5-axis IBIS (Shake Reduction III) | In-body Shake Reduction (SR II), up to 5.5 stops | |
| Burst Rate | 12fps | 6fps | ↓ |
| Battery Life | 800 shots (CIPA) | ~410 shots (CIPA) | ↓ |
| Weight | 820g (body only) | 643g (body only) | ↑ |
| Weather Sealed | Yes | Yes | |
| Viewfinder | Optical pentaprism, 100% coverage, 1.05× magnification | Optical pentamirror, 0.95× magnification, ~100% coverage | |
| Screen | 3.2" fixed touchscreen | 3.0" fully articulating LCD, 1.04M dots (no touch) | |
| Mount | Pentax KF-mount | Pentax KF-mount | |
| Memory Cards | Dual SD UHS-II | Single SD UHS-I slot |
Compare side-by-side
⚖️ Compare these cameras
See Pentax K-3 Mark III and KF 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 KF against your specific genres — not just specs.
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