Upgrade Guide

Pentax K-3 II→Pentax K-1

Is it worth upgrading? Spec analysis, key improvements, and our verdict.

K-3 II
You own
Pentax
K-3 II
£185 used
2015
View on GearFrame →
→
K-1
Upgrade to
Pentax
K-1
£475 used (+£290)
2016
View on GearFrame →
✅
Worthwhile
Clear improvements over the K-3 II. Whether it justifies the cost depends on which upgrades matter most to your shooting.
What's new in the K-1
Suitability by genre

Base scores — computed from verified specs for an enthusiast shooting photo and video. The Upgrade Checker adjusts them for your skill level.

Genre K-3 II K-1
Portrait
6.0
6.8
+0.8
Street
4.9
4.9
—
Travel
5.0
5.0
—
Wedding & Events
6.3
6.8
+0.5
Documentary
5.4
5.5
+0.1
Sports & Action
6.2
5.5
-0.7
Landscape
5.8
7.0
+1.2
Wildlife
6.3
5.8
-0.5
Casual
3.1
3.1
—
Food
4.5
5.9
+1.4
Macro
4.4
5.3
+0.9
Architecture
5.5
6.8
+1.3
Astrophotography
6.1
7.3
+1.2
Full spec comparison
Spec K-3 II K-1
Price £185 used £475 used
Released 2015 2016 ↑
Sensor 24.35MP APS-C CMOS 36.4MP full-frame CMOS
Resolution 24MP 36MP ↑
Video Full HD 1080/60i, 30p Full HD 1080/60i, 30p
Autofocus SAFOX 11 phase-detect AF, 27 points (25 cross-type) SAFOX 12 phase-detect AF, 33 points (25 cross-type)
Stabilisation Sensor-shift Shake Reduction, 4.5 stops 5-axis sensor-shift Shake Reduction II, 5 stops
Burst Rate 8.3fps 4.4fps ↓
Battery Life ~720 shots (CIPA) ~760 shots (CIPA) ↑
Weight 785g (with battery) 1010g (with battery) ↓
Weather Sealed Yes Yes
Viewfinder Pentaprism, ~100%, 0.95x Pentaprism, ~100%, 0.70x
Screen 3.2" fixed LCD, 1.04M dots 3.2" Flexible-tilt LCD, 1.04M dots
Mount Pentax KAF2 (K-mount) Pentax KAF2 (K-mount)
Memory Cards Dual SD slots Dual SD slots
Compare side-by-side

See K-3 II and K-1 next to each other with our interactive comparison tool.

⚖️ Compare these cameras
Get a personalised upgrade score

Tell us what you shoot and we'll score the K-1 against your specific genres — not just specs.

Run the upgrade checker →
Other upgrades from the K-3 II
Related buying guides
Camera family history