On sale 16%
Pentax K-3 K-3 Mark III Black 2020
A 1.05x-magnification pentaprism optical viewfinder and 25.7MP BSI CMOS sensor combine with 12fps burst shooting and the SAFOX 13 101-point phase-detection AF system for responsive capture. Its weather-sealed magnesium alloy body and 5-axis IBIS with 5 stops of compensation allow sharp handheld shooting in harsh conditions. The K-3 Mark III best serves outdoor and wildlife photographers who need a durable DSLR with an optical viewfinder and 800-shot battery life.
Type DSLR
Sensor 25.7MP aps-c
AF Points 101 pts
Burst 12 fps
Video 4K @30fps
IBIS Yes
Weather Sealed Yes
Weight 735 g
77 Overall Score
Price £699
Snapshot
Pros & Cons
Pros
Cons
What owners think
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews — so you can see whether early praise held up.
Based on 8 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Sensor
| Type | BSI CMOS |
| Size | aps-c |
| Megapixels | 25.7 MP |
| ISO Range | 100 |
| Processor | SAFOX 13 |
Autofocus
| AF Points | 101 |
| AF Type | Autofocus |
| Eye AF | No |
| Animal AF | No |
| Subject Detection | No |
Shooting
| Burst (Mechanical) | 12 |
| Max Shutter | 1/8000 |
| Electronic Shutter | Yes |
Video
| Max Resolution | 4K |
| 4K FPS | 30 |
| 1080p FPS | 60 |
| 10-bit | No |
| Log Profile | No |
| RAW Video | No |
| Codec | H.264/MOV |
Display & EVF
| Screen Size | 3.2" |
| Touchscreen | Yes |
| Articulating | No |
| EVF Resolution | 1.62 M dots |
Build
| Weather Sealed | Yes |
| Weight | 0.7 kg / 1.6 lbs |
| Battery Life | 800 |
Connectivity
| Wi-Fi | Yes |
| Bluetooth | Yes |
| USB | USB-C |
| HDMI | Micro-HDMI |
| Hot Shoe | Yes |
vs Competition
| Spec | Pentax K-3 K-3 Mark III | Fujifilm X-H2 X-H2 | Sony Alpha 6700 | Panasonic Lumix S S5IIX | Canon EOS R6 Mark II R6 Mark II | Nikon Z5 II Z5 II |
|---|---|---|---|---|---|---|
| Type | DSLR | mirrorless | mirrorless | mirrorless | mirrorless | mirrorless |
| Sensor | 25.7MP aps-c | 40.2MP aps-c | 26MP aps-c | 24.2MP full-frame | 24.2MP full-frame | 24.5MP full-frame |
| AF Points | 101 | 425 | 793 | 779 | 1053 | 273 |
| Burst FPS | 12 | 20 | 11 | 30 | 12 | 30 |
| Video | 4K @30fps | 8K @60fps | 4K @120fps | 6K @60fps | 4K @60fps | 4K @60fps |
| IBIS | true | true | true | true | true | true |
| Weather Sealed | true | true | true | true | true | true |
| Weight (g) | 735 | 579 | 413 | 658 | 590 | 620 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Af | Evf | Build | Burst | Video | Sensor | Battery | Display | Stabilization |
|---|---|---|---|---|---|---|---|---|---|
| Pentax K-3 K-3 Mark III | 74.8 | 76.1 | 98 | 71.7 | 57.8 | 90.5 | 98.9 | 56.1 | 84.7 |
| Fujifilm X-H2 X-H2 Compare | 88.1 | 95.6 | 89.4 | 85.1 | 95.4 | 97.4 | 96.9 | 83.7 | 93.6 |
| Sony Alpha 6700 Compare | 97.8 | 87.1 | 90.8 | 69.4 | 89.4 | 91.5 | 95.2 | 83.7 | 84.7 |
| Panasonic Lumix S S5IIX Compare | 97.3 | 88.3 | 96.7 | 90.6 | 93.1 | 49.1 | 90.3 | 83.7 | 84.7 |
| Canon EOS R6 Mark II R6 Mark II Compare | 98.5 | 87.8 | 94.3 | 88.1 | 83.5 | 49.1 | 98.6 | 83.7 | 98 |
| Nikon Z5 II Z5 II Compare | 82.6 | 89.4 | 95.4 | 88.2 | 84.7 | 53.7 | 90.7 | 83.7 | 84.7 |
Price
Value & Pricing
From £699
Amazon.co.uk 1 offers From £699
May 3, 2026 £699
