Decision tools · Compare
K-S1 vs KP
Quick take: The KP has the highest resolution at 24MP; the K-S1 is the most affordable; only the KP is weather sealed.
16 specs side by side·13 genres scored·UK prices from Wex Photo Video and Clifton Cameras
How to read this page. Highlighted cells win that row on the spec alone. Genre scores are the engine's base scores (enthusiast, photo and video); Camera Match re-weights them for your level and priorities. Price buttons are affiliate links; the price you pay is the same.
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Full specificationsthe better value in each row is highlighted
| Specification | K-S1Pentax · 2014 | KPPentax · 2017 |
|---|---|---|
| Price | £72 usedBest | £253 used |
| Sensor | 20.12MP APS-C CMOS | 24.32MP APS-C CMOS |
| Resolution | 20.1MP | 24.3MPBest |
| Video | Full HD 1080p/30 | Full HD 1080/60i, 30p |
| Autofocus | SAFOX IX i+ phase-detect AF, 11 points (9 cross-type) | SAFOX 11 phase-detect AF, 27 points (25 cross-type) |
| Stabilisation | Sensor-shift Shake Reduction | 5-axis sensor-shift Shake Reduction II, 5 stops |
| Burst Rate | 5.4fps | 7fpsBest |
| Battery Life | ~410 shots (CIPA)Best | ~390 shots (CIPA) |
| Weight | 558g (with battery)Best | 703g (with battery) |
| Dimensions | 120 × 92.5 × 69.5mm | 131.5 × 101 × 76mm |
| Weather Sealed | Not weather sealed | YesBest |
| Viewfinder | Pentaprism, ~100%, 0.95x | Pentaprism, ~100%, 0.95x |
| Screen | 3.0" fixed LCD, 921k dots | 3.0" tilting LCD, 921k dots |
| Mount | Pentax KAF2 (K-mount) | Pentax KAF2 (K-mount) |
| Memory Cards | Single SD slot | Single SD slot |
| Connectivity | USB 2.0, micro HDMI | USB 2.0, 3.5mm mic / cable switch, Wi-Fi |
Wins the row — price, resolution, burst, battery, weight and sealing are compared; text specs aren't ranked.
How they score by genreengine base scores out of 10
Genre
K-S1
KP
Portrait
5.7/10
6.0/10
Street
5.5/10
5.3/10
Travel
4.9/10
5.2/10
Wedding & Events
4.2/10
5.0/10
Documentary
3.7/10
5.0/10
Sports & Action
4.8/10
5.5/10
Landscape
4.2/10
5.9/10
Wildlife
5.4/10
6.1/10
Casual
3.5/10
3.4/10
Food
4.6/10
5.5/10
Macro
4.4/10
5.1/10
Architecture
4.4/10
5.8/10
Astrophotography
4.2/10
4.7/10
Scores come from the same engine as Camera Match: verified specifications weighted by what each genre needs, with documented adjustments. The product page and this table show the enthusiast base score. See how scores are calculated →
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