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Pentax K-1 Mark II vs A99 II
Quick take: The A99 II has the highest resolution at 42MP; the A99 II is the most affordable; only the Pentax K-1 Mark II is weather sealed.
16 specs side by side·15 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 | Pentax K-1 Mark IIPentax · 2018 | A99 IISony · 2016 |
|---|---|---|
| Price | £1,899 | £749 usedBest |
| Sensor | 36.4MP full-frame CMOS (no AA filter) | 42.4MP full-frame sensor |
| Resolution | 36.4MP | 42.4MPBest |
| Video | 1080p only, no 4K | 4K/30p full-pixel readout, 1080p/120, S-Log2 / S-Log3 |
| Autofocus | SAFOX 12, 33-point DSLR phase-detect AF | 79-point Hybrid Cross phase-detect AF (dedicated sensor + 399-point on-sensor), Eye AF |
| Stabilisation | 5-axis Shake Reduction II (in-body) | 4.5-stop 5-axis sensor-shift |
| Burst Rate | 4.4fps | 12fps with AF/AE trackingBest |
| Battery Life | 670 shots (CIPA)Best | ~490 shots (CIPA) |
| Weight | 1010g (with battery and card) | 849g (with battery and card)Best |
| Dimensions | — | 142.6 × 104.2 × 76.1mm |
| Weather Sealed | YesBest | Not weather sealed |
| Viewfinder | Optical pentaprism, 0.7x magnification, 100% coverage | OLED EVF, 2.36M dots, 0.78x |
| Screen | Multi-axis tilting screen (up/down/side), no touchscreen | 3.0" three-way tilting / swivel LCD, 1.23M dots |
| Mount | Pentax KAF2 (K-mount) | Sony A-mount |
| Memory Cards | Dual SD (UHS-I) | Dual slots: SD / Memory Stick + SD |
| Connectivity | USB, HDMI, Wi-Fi | Multi / micro USB, micro HDMI, 3.5mm mic + headphone, Multi Interface Shoe, Wi-Fi, NFC |
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
Pentax K-1 Mark II
A99 II
Portrait
6.7/10
6.6/10
Street
4.9/10
5.2/10
Travel
4.9/10
4.6/10
Wedding & Events
6.7/10
6.2/10
Documentary
5.5/10
5.0/10
Sports & Action
5.3/10
5.9/10
Landscape
7.0/10
5.8/10
Wildlife
5.6/10
5.7/10
Casual
3.3/10
3.5/10
Food
6.0/10
6.0/10
Macro
5.3/10
4.7/10
Architecture
6.9/10
6.2/10
Astrophotography
7.3/10
5.2/10
Vlogging & Video
—
4.3/10
Filmmaking
—
5.9/10
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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