EOS Rvs Olympus OM-D E-M5 III

GearFrame · Updated March 2026

Canon EOS R Canon EOS R (2018) Starting from £799 new Best for Entry to full-frame mirrorless & RF lens exploration View EOS R
VS
OM System Olympus OM-D E-M5 III OM System Olympus OM-D E-M5 III (2019) Starting from £699 new Best for Travel & lightweight outdoor photography View Olympus OM-D E-M5 III

GearScore™ Verdict — Which should you buy?

Entry To Full-Frame Mirrorless & Rf Lens Exploration — EOS R (2018): The RF mount's founding camera — 30MP, Dual Pixel CMOS AF, and the proof-of-concept that launched Canon's mirrorless era.

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

EOS R (2018)

  • Canon DSLR users wanting to enter the RF ecosystem at the lowest full-frame price
  • EF lens collectors who want an affordable RF body to use with the EF-RF adapter
  • Photographers stepping up from APS-C who want full-frame quality on a budget
  • RF system fans who want a second body without full EOS R6 pricing

Olympus OM-D E-M5 III (2019)

  • Travel photographers who want a compact, weather-sealed MFT body
  • Outdoor photographers upgrading from the E-M10 who want better sealing
  • Enthusiasts who want strong IBIS in a lightweight, portable system
  • Photographers who want a capable travel camera that won't weigh them down

Quick take: The eos r has the highest resolution at 30mp; the olympus om-d e-m5 iii is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification EOS R (2018)Olympus OM-D E-M5 III (2019)
Price £799 £699
Sensor 30.3MP full-frame CMOS 20.4MP Micro Four Thirds Live MOS
Resolution 30.3MP 20.4MP
Video 4K/30p (1.7× crop), 1080p/60p 4K/30p, 1080p/120p
Autofocus Dual Pixel CMOS AF — 5655 AF areas, Eye AF Hybrid phase/contrast AF with face/eye detection
Stabilisation None 7.5-stop 5-axis IBIS
Burst Rate 8fps continuous (5fps with AF/AE) 30fps electronic / 10fps mechanical
Battery Life ~350 shots (CIPA) 390 shots (CIPA)
Weight 660g body only 414g body only
Dimensions 135.8 × 98.3 × 84.4mm 125.3 × 85.2 × 49.7mm
Weather Sealed Yes Yes
Viewfinder EVF, 3.69M dots, 0.71× magnification 0.35" OLED EVF, 2.36M dots
Screen 3.0" touchscreen, tilting 3.0" fully articulating touchscreen
Mount Canon RF mount (full-frame) Micro Four Thirds
Memory Cards Single SD UHS-II slot Single SD UHS-I
Connectivity USB-C, Bluetooth, Wi-Fi, 3.5mm mic jack Micro USB, Wi-Fi, Bluetooth
Genre EOS ROlympus OM-D E-M5 III
Portrait
9.0
7.0
Landscape
9.0
9.0
Travel
7.0
9.0
Wedding
7.0
Vlogging & Video
4.0
7.0
Sports
4.0
Street
9.0
Sports & Action
7.0
⚡ Compare specs side by side EOS R prices → Olympus OM-D E-M5 III prices →

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