Pentax K-3 Mark IIIvs ZV-1 II

GearFrame · Updated March 2026

Pentax Pentax K-3 Mark III Pentax Pentax K-3 Mark III (2021) From £1699 Best for DSLR enthusiasts & outdoor photographers View Pentax K-3 Mark III
VS
Sony ZV-1 II Sony ZV-1 II (2023) From £649 Best for Pocket vlogging View ZV-1 II

Which should you buy?

Dslr Enthusiasts & Outdoor Photographers — Pentax K-3 Mark III (2021): The finest APS-C DSLR ever made — class-leading weather sealing, optical viewfinder, 5-axis IBIS, and extraordinary build for photographers committed to DSLR.

Pocket Vlogging — ZV-1 II (2023): The best pocket vlogging camera — 1-inch sensor, ultrawide zoom, flip screen, and real-time Eye AF in a shirt pocket.

↓ Full specifications below

Pentax K-3 Mark III (2021)

  • You're a committed DSLR photographer with significant investment in Pentax glass
  • You shoot in extreme weather conditions and place build quality and reliability above everything
  • You prefer optical viewfinder performance and want the best modern APS-C DSLR available

ZV-1 II (2023)

  • You create vlog content solo and want reliable face tracking in a genuinely portable camera
  • You want a wide zoom range for shooting variety without ever changing lenses
  • You want clearly better image quality and stabilisation than a smartphone, simply packaged

Quick take: The pentax k-3 mark iii has the highest resolution at 26mp; the zv-1 ii is the most affordable; only the pentax k-3 mark iii is weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification Pentax K-3 Mark III (2021)ZV-1 II (2023)
Price £1,699 £649
Sensor 25.7MP APS-C BSI CMOS (AA-filterless) 20.1MP 1-inch Exmor RS CMOS
Resolution 25.7MP 20.1MP
Video 4K/30p, 1080p/60p 4K/30p, 1080p/120p
Autofocus SAFOX 13 phase-detect, 101-point (25 cross-type) Phase-detect + contrast, 315 points, Real-time Eye AF
Stabilisation 5.5-stop 5-axis IBIS (Shake Reduction III) Optical SteadyShot (OIS)
Burst Rate 12fps 15fps
Battery Life 800 shots (CIPA) ~260 shots (CIPA)
Weight 820g body only 292g
Dimensions 134.5 × 103.5 × 73.5mm 105.5 × 60.0 × 43.5mm
Weather Sealed Yes No
Viewfinder Optical pentaprism, 100% coverage, 1.05× magnification None
Screen 3.2" tilting touchscreen 3.0" fully tilting touchscreen
Mount Pentax KF-mount Fixed zoom — 18–50mm f/1.8–4.0 equiv
Memory Cards Dual SD UHS-II Single SD UHS-I slot
Connectivity USB-C, Wi-Fi, Bluetooth USB-C, Bluetooth, Wi-Fi, 3.5mm mic input
⚡ Compare specs side by side Pentax K-3 Mark III prices → ZV-1 II prices →

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