Olympus OM-D E-M5 IIIvs OM System OM-1 Mark II

GearFrame · Updated March 2026

OM System Olympus OM-D E-M5 III OM System Olympus OM-D E-M5 III (2019) From £699 Best for Travel & lightweight outdoor photography View Olympus OM-D E-M5 III
VS
OM System OM System OM-1 Mark II OM System OM System OM-1 Mark II (2024) From £1999 Best for Wildlife, birds & outdoor sports View OM System OM-1 Mark II

Which should you buy?

Travel & Lightweight Outdoor Photography — Olympus OM-D E-M5 III (2019): The lightest weather-sealed MFT camera — compact, travel-friendly, and capable with 7.5-stop IBIS in a body that fits in a jacket pocket.

Wildlife, Birds & Outdoor Sports — OM System OM-1 Mark II (2024): OM System's most capable camera — 120fps AF burst, AI subject detection, and IP53 weather sealing make it the best-value pro wildlife camera.

↓ Full specifications below

Olympus OM-D E-M5 III (2019)

  • You want a lightweight, sealed camera for travel and outdoor photography
  • You're new to Micro Four Thirds and want a capable mid-range body with excellent stabilisation
  • Note: consider the newer OM-5 for updated specs in a similar compact form factor

OM System OM-1 Mark II (2024)

  • You shoot wildlife, birds in flight, or fast-moving action where tracking accuracy is critical
  • You need extreme weather sealing for shooting in rain, dust, mud, or freezing cold
  • You're invested in the MFT ecosystem and want the absolute best body available

Quick take: The olympus om-d e-m5 iii has the highest resolution at 20mp; the olympus om-d e-m5 iii is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification Olympus OM-D E-M5 III (2019)OM System OM-1 Mark II (2024)
Price £699 £1,999
Sensor 20.4MP Micro Four Thirds Live MOS 20MP Micro Four Thirds Live MOS
Resolution 20.4MP 20.0MP
Video 4K/30p, 1080p/120p 4K/60p, 1080p/240p, 4K HLG
Autofocus Hybrid phase/contrast AF with face/eye detection AI subject detection AF (birds, animals, motorsport)
Stabilisation 7.5-stop 5-axis IBIS 8.5-stop IBIS
Burst Rate 30fps electronic / 10fps mechanical 120fps with AF tracking
Battery Life 390 shots (CIPA) 520 shots (CIPA)
Weight 414g body only 599g body only
Dimensions 125.3 × 85.2 × 49.7mm 134.8 × 91.6 × 72.7mm
Weather Sealed Yes Yes
Viewfinder 0.35" OLED EVF, 2.36M dots 0.83" OLED EVF, 5.76M dots, 120fps
Screen 3.0" fully articulating touchscreen 3.0" fully articulating touchscreen
Mount Micro Four Thirds Micro Four Thirds
Memory Cards Single SD UHS-I Dual SD UHS-II
Connectivity Micro USB, Wi-Fi, Bluetooth USB-C, Wi-Fi, Bluetooth
⚡ Compare specs side by side Olympus OM-D E-M5 III prices → OM System OM-1 Mark II prices →

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