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KP vs SLT-A99
Quick take: Only the KP is weather sealed.
16 specs side by side·14 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 | KPPentax · 2017 | SLT-A99Sony · 2012 |
|---|---|---|
| Price | £253 usedBest | £454 used |
| Sensor | 24.32MP APS-C CMOS | 24.3MP full-frame sensor |
| Resolution | 24.3MP | 24.3MP |
| Video | Full HD 1080/60i, 30p | Full HD 1080p/60 |
| Autofocus | SAFOX 11 phase-detect AF, 27 points (25 cross-type) | 19-point phase-detect (11 cross) via the translucent mirror + 102-point on-sensor phase assist, face detection |
| Stabilisation | 5-axis sensor-shift Shake Reduction II, 5 stops | 4.5-stop sensor-shift SteadyShot INSIDE |
| Burst Rate | 7fpsBest | 6fps with continuous AF (10fps in crop mode) |
| Battery Life | ~390 shots (CIPA) | ~500 shots (CIPA)Best |
| Weight | 703g (with battery)Best | 812g (with battery and card) |
| Dimensions | 131.5 × 101 × 76mm | 147 × 111.2 × 78.4mm |
| Weather Sealed | YesBest | Not weather sealed |
| Viewfinder | Pentaprism, ~100%, 0.95x | OLED EVF, 2.36M dots, 100%, 0.71x |
| Screen | 3.0" tilting LCD, 921k dots | 3.0" three-way tilting / swivel LCD, 1.23M dots |
| Mount | Pentax KAF2 (K-mount) | Sony A-mount |
| Memory Cards | Single SD slot | Dual slots: SD / Memory Stick + SD |
| Connectivity | USB 2.0, 3.5mm mic / cable switch, Wi-Fi | Micro USB, HDMI, 3.5mm mic + headphone, remote terminal, Multi Interface Shoe |
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
KP
SLT-A99
Portrait
6.0/10
6.4/10
Street
5.3/10
5.3/10
Travel
5.2/10
4.7/10
Wedding & Events
5.0/10
6.0/10
Documentary
5.0/10
4.6/10
Sports & Action
5.5/10
5.2/10
Landscape
5.9/10
5.2/10
Wildlife
6.1/10
5.1/10
Casual
3.4/10
3.4/10
Food
5.5/10
5.6/10
Macro
5.1/10
4.4/10
Architecture
5.8/10
5.5/10
Astrophotography
4.7/10
5.5/10
Vlogging & Video
—
4.0/10
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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