Decision tools · Compare
K-3 II vs A6100
Quick take: The K-3 II has the highest resolution at 24MP; the K-3 II is the most affordable; only the K-3 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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Verdictwhich should you buy?
A6100 — Beginner, Family, Travel: Best autofocus in its class for the price.
Who should buy what
A6100 (2019)
is the right camera for you if…
- First-time mirrorless buyers who want solid AF
- Families stepping up from a smartphone
Full specificationsthe better value in each row is highlighted
| Specification | K-3 IIPentax · 2015 | A6100Sony · 2019 |
|---|---|---|
| Price | £185 usedBest | £649 |
| Sensor | 24.35MP APS-C CMOS | APS-C Exmor CMOS |
| Resolution | 24.4MPBest | 24.2MP |
| Video | Full HD 1080/60i, 30p | 4K 30fps |
| Autofocus | SAFOX 11 phase-detect AF, 27 points (25 cross-type) | 425-point phase-detect, real-time tracking |
| Stabilisation | Sensor-shift Shake Reduction, 4.5 stops | No stabilisation |
| Burst Rate | 8.3fps | 11fpsBest |
| Battery Life | ~720 shots (CIPA)Best | 420 shots (CIPA) |
| Weight | 785g (with battery) | 396g (body only)Best |
| Dimensions | 131.5 × 102.5 × 77.5mm | 119.9 × 66.9 × 59.4mm |
| Weather Sealed | YesBest | Not weather sealed |
| Viewfinder | Pentaprism, ~100%, 0.95x | EVF 0.39" 1.44M-dot |
| Screen | 3.2" fixed LCD, 1.04M dots | 3.0" tilting touchscreen, 921k-dot |
| Mount | Pentax KAF2 (K-mount) | Sony E-Mount |
| Memory Cards | Dual SD slots | SD UHS-I / Memory Stick |
| Connectivity | USB 3.0, micro HDMI, mic + headphone, cable switch, PC sync, GPS | Wi-Fi, Bluetooth 4.1, Micro USB, Micro HDMI |
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-3 II
A6100
Portrait
6.0/10
6.7/10
Street
4.9/10
7.3/10
Travel
5.0/10
6.2/10
Wedding & Events
6.3/10
5.1/10
Documentary
5.4/10
5.2/10
Sports & Action
6.2/10
6.5/10
Landscape
5.8/10
4.9/10
Wildlife
6.3/10
6.9/10
Casual
3.1/10
6.4/10
Food
4.5/10
6.2/10
Macro
4.4/10
5.2/10
Architecture
5.5/10
5.5/10
Astrophotography
6.1/10
6.0/10
Vlogging & Video
—
5.9/10
Filmmaking
—
4.9/10
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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