DJI Action 5 Provs OM-1 IIvs 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
OM System OM-1 II OM System OM-1 II (2024) From £1499 Best for Wildlife & action View OM-1 II
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.

Wildlife & Action — OM-1 II (2024): 120fps burst, 8-stop IBIS, and IP53 sealing — the most capable wildlife and action camera in the Micro Four Thirds world.

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

OM-1 II (2024)

  • You shoot wildlife, birds, or fast action and want the best MFT autofocus available
  • You need strong weather sealing without the weight of a full-frame sports body
  • You're in the MFT system and want a flagship-level body upgrade

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. Scroll down for the full spec breakdown.

Full specifications

Specification DJI Action 5 Pro (2024)OM-1 II (2024)Pentax K-3 Mark III (2021)
Price £349 £1,499 £1,699
Sensor 1/1.3" CMOS 20.4MP Micro Four Thirds Stacked BSI CMOS 25.7MP APS-C BSI CMOS (AA-filterless)
Resolution 50.0MP 20.4MP 25.7MP
Video 4K/120p, 4K/60p HDR, 1080p/240p 4K/120p Cinema4K, Apple ProRes RAW (with recorder) 4K/30p, 1080p/60p
Autofocus Subject tracking AF Quad-Pixel phase-detect, 1053 points, AI subject recognition (birds/animals) SAFOX 13 phase-detect, 101-point (25 cross-type)
Stabilisation RockSteady 3.0 EIS + HorizonSteady 5-axis IBIS, 8.0 stops (Dual IS) 5.5-stop 5-axis IBIS (Shake Reduction III)
Burst Rate 20fps 120fps electronic (blackout-free), 15fps mechanical 12fps
Battery Life 160 mins video ~520 shots (CIPA) 800 shots (CIPA)
Weight 145g 561g body only 820g body only
Dimensions 70.5 × 44.2 × 32.8mm 134.8 × 91.6 × 72.7mm 134.5 × 103.5 × 73.5mm
Weather Sealed Yes Yes Yes
Viewfinder None EVF, 5.76M dots, 0.83× magnification Optical pentaprism, 100% coverage, 1.05× magnification
Screen 2.5" front + 1.4" rear touchscreen 3.0" fully articulating touchscreen 3.2" tilting touchscreen
Mount Fixed 12mm-equiv f/2.8 ultra-wide lens Micro Four Thirds Pentax KF-mount
Memory Cards Single microSD Dual SD UHS-II slots Dual SD UHS-II
Connectivity USB-C, Wi-Fi, Bluetooth USB-C, Bluetooth, Wi-Fi USB-C, Wi-Fi, Bluetooth
⚡ Compare specs side by side DJI Action 5 Pro prices → OM-1 II prices → Pentax K-3 Mark III prices →

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