DJI Action 5 Provs DJI Osmo Pocket 3vs Pentax K-3 Mark III

GearFrame · Updated March 2026

DJI DJI Action 5 Pro DJI DJI Action 5 Pro (2024) From £349 Best for Adventure, outdoor sports & action View DJI Action 5 Pro
VS
DJI DJI Osmo Pocket 3 DJI DJI Osmo Pocket 3 (2023) From £379 Best for Vloggers, travellers & content creators View DJI Osmo Pocket 3
VS
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

Which should you buy?

Adventure, Outdoor Sports & Action — DJI Action 5 Pro (2024): DJI's best action camera — 4K/120p from a large 1/1.3" sensor, 20m waterproofing without a housing, and the best EIS stabilisation in any action camera.

Vloggers, Travellers & Content Creators — DJI Osmo Pocket 3 (2023): A 1-inch sensor on a 3-axis gimbal in a palm-sized body — the Osmo Pocket 3 makes cinematic stabilised footage as simple as pressing record.

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.

↓ Full specifications below

DJI Action 5 Pro (2024)

  • You shoot adventure sports, cycling, skiing, surfing, or travel
  • You want the best stabilisation and video quality in a wearable action cam
  • You need long battery life for extended outdoor use without recharging

DJI Osmo Pocket 3 (2023)

  • You travel and want cinema-quality stabilised video in your pocket
  • You vlog solo and need reliable automatic subject tracking
  • You want significantly better image quality than a smartphone gimbal

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

Quick take: The dji action 5 pro has the highest resolution at 50mp; the dji action 5 pro is the most affordable; only the dji action 5 pro, pentax k-3 mark iii are weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification DJI Action 5 Pro (2024)DJI Osmo Pocket 3 (2023)Pentax K-3 Mark III (2021)
Price £349 £379 £1,699
Sensor 1/1.3" CMOS 1-inch CMOS 25.7MP APS-C BSI CMOS (AA-filterless)
Resolution 50.0MP 20.0MP 25.7MP
Video 4K/120p, 4K/60p HDR, 1080p/240p 4K/120p, 4K/60p, 1080p/240p 4K/30p, 1080p/60p
Autofocus Subject tracking AF Omnidirectional obstacle sensing + face/subject tracking AF SAFOX 13 phase-detect, 101-point (25 cross-type)
Stabilisation RockSteady 3.0 EIS + HorizonSteady 3-axis mechanical gimbal 5.5-stop 5-axis IBIS (Shake Reduction III)
Burst Rate 20fps 20fps 12fps
Battery Life 160 mins video 166 mins video (CIPA) 800 shots (CIPA)
Weight 145g 179g 820g body only
Dimensions 70.5 × 44.2 × 32.8mm 46.0 × 33.5 × 139.8mm 134.5 × 103.5 × 73.5mm
Weather Sealed Yes No Yes
Viewfinder None None Optical pentaprism, 100% coverage, 1.05× magnification
Screen 2.5" front + 1.4" rear touchscreen 2.0" rotating OLED touchscreen 3.2" tilting touchscreen
Mount Fixed 12mm-equiv f/2.8 ultra-wide lens Fixed 20mm-equiv f/2.0 lens Pentax KF-mount
Memory Cards Single microSD Single microSD Dual SD UHS-II
Connectivity USB-C, Wi-Fi, Bluetooth USB-C, Wi-Fi, Bluetooth USB-C, Wi-Fi, Bluetooth
⚡ Compare specs side by side DJI Action 5 Pro prices → DJI Osmo Pocket 3 prices → Pentax K-3 Mark III prices →

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