Canon EOS 90Dvs EOS R8vs Olympus OM-D E-M5 III

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
Canon EOS R8 Canon EOS R8 (2023) From £1099 Best for Full-frame entry View EOS R8
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

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.

Full-Frame Entry — EOS R8 (2023): Canon's most affordable full-frame mirrorless — 4K/60p 10-bit and class-leading Dual Pixel AF at an accessible entry price.

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.

↓ 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

EOS R8 (2023)

  • You want full-frame image quality on a tight budget
  • You shoot mainly in good light and can live without built-in stabilisation
  • You primarily shoot stills with occasional video

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

Quick take: The canon eos 90d has the highest resolution at 32mp; the olympus om-d e-m5 iii is the most affordable; only the canon eos 90d, olympus om-d e-m5 iii are weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification Canon EOS 90D (2019)EOS R8 (2023)Olympus OM-D E-M5 III (2019)
Price £849 £1,099 £699
Sensor 32.5MP APS-C CMOS (Dual Pixel AF) 24.2MP Full-frame BSI CMOS 20.4MP Micro Four Thirds Live MOS
Resolution 32.5MP 24.2MP 20.4MP
Video 4K/30p (1.6× crop), FHD/120p 4K/60p oversampled 10-bit, FHD/180p 4K/30p, 1080p/120p
Autofocus Dual Pixel CMOS AF (live view), 45-point phase-detect (OVF) Dual Pixel CMOS AF II, 1053 zones, eye/face/subject tracking Hybrid phase/contrast AF with face/eye detection
Stabilisation None (no IBIS) None (no IBIS) 7.5-stop 5-axis IBIS
Burst Rate 10fps mechanical 6fps mechanical, 40fps electronic 30fps electronic / 10fps mechanical
Battery Life ~1300 shots (CIPA with OVF) ~220 shots (CIPA) 390 shots (CIPA)
Weight 701g body only 461g body only 414g body only
Dimensions 140.7 × 104.8 × 76.8mm 132.5 × 86.1 × 70.0mm 125.3 × 85.2 × 49.7mm
Weather Sealed Yes No Yes
Viewfinder Optical pentaprism, 100% coverage, 0.95× magnification EVF, 2.36M dots, 0.59× 0.35" OLED EVF, 2.36M dots
Screen 3.0" vari-angle touchscreen 3.0" fully articulating touchscreen 3.0" fully articulating touchscreen
Mount Canon EF / EF-S Canon RF mount (full-frame) Micro Four Thirds
Memory Cards Dual SD UHS-II slots Single SD UHS-II slot Single SD UHS-I
Connectivity USB 2.0, Bluetooth, Wi-Fi USB-C, Bluetooth, Wi-Fi Micro USB, Wi-Fi, Bluetooth
⚡ Compare specs side by side Canon EOS 90D prices → EOS R8 prices → Olympus OM-D E-M5 III prices →

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