Canon EOS 90Dvs Olympus OM-D E-M5 IIIvs OM System OM-1 Mark II

GearFrame · Updated March 2026

Canon Canon EOS 90D Canon Canon EOS 90D (2019) From £849 Best for Sports, wildlife & DSLR enthusiasts View Canon EOS 90D
VS
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?

Sports, Wildlife & Dslr Enthusiasts — Canon EOS 90D (2019): The best APS-C DSLR Canon ever made — 32MP, 10fps, weather sealing, and an optical viewfinder experience no mirrorless can replicate.

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

Canon EOS 90D (2019)

  • You're invested in Canon EF DSLR lenses and don't want to switch systems
  • You shoot wildlife or sports and prefer an optical viewfinder
  • You want a mid-range DSLR upgrade without going mirrorless

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 canon eos 90d has the highest resolution at 32mp; the olympus om-d e-m5 iii is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification Canon EOS 90D (2019)Olympus OM-D E-M5 III (2019)OM System OM-1 Mark II (2024)
Price £849 £699 £1,999
Sensor 32.5MP APS-C CMOS (Dual Pixel AF) 20.4MP Micro Four Thirds Live MOS 20MP Micro Four Thirds Live MOS
Resolution 32.5MP 20.4MP 20.0MP
Video 4K/30p (1.6× crop), FHD/120p 4K/30p, 1080p/120p 4K/60p, 1080p/240p, 4K HLG
Autofocus Dual Pixel CMOS AF (live view), 45-point phase-detect (OVF) Hybrid phase/contrast AF with face/eye detection AI subject detection AF (birds, animals, motorsport)
Stabilisation None (no IBIS) 7.5-stop 5-axis IBIS 8.5-stop IBIS
Burst Rate 10fps mechanical 30fps electronic / 10fps mechanical 120fps with AF tracking
Battery Life ~1300 shots (CIPA with OVF) 390 shots (CIPA) 520 shots (CIPA)
Weight 701g body only 414g body only 599g body only
Dimensions 140.7 × 104.8 × 76.8mm 125.3 × 85.2 × 49.7mm 134.8 × 91.6 × 72.7mm
Weather Sealed Yes Yes Yes
Viewfinder Optical pentaprism, 100% coverage, 0.95× magnification 0.35" OLED EVF, 2.36M dots 0.83" OLED EVF, 5.76M dots, 120fps
Screen 3.0" vari-angle touchscreen 3.0" fully articulating touchscreen 3.0" fully articulating touchscreen
Mount Canon EF / EF-S Micro Four Thirds Micro Four Thirds
Memory Cards Dual SD UHS-II slots Single SD UHS-I Dual SD UHS-II
Connectivity USB 2.0, Bluetooth, Wi-Fi Micro USB, Wi-Fi, Bluetooth USB-C, Wi-Fi, Bluetooth
⚡ Compare specs side by side Canon EOS 90D prices → Olympus OM-D E-M5 III prices → OM System OM-1 Mark II prices →

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