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EOS R100 vs OM-5 Mark II

Quick take: The EOS R100 has the highest resolution at 24MP; the EOS R100 is the most affordable; only the OM-5 Mark II is weather sealed.

16 specs side by side·16 genres scored·UK prices from Wex Photo Video and Clifton Cameras

How to read this page. Highlighted cells win that row on the spec alone. Genre scores are the engine's base scores (enthusiast, photo and video); Camera Match re-weights them for your level and priorities. Price buttons are affiliate links; the price you pay is the same.

Price buttons are affiliate links — GearFrame may earn a commission at no extra cost to you. It never affects a score. Learn more

Verdictwhich should you buy?

EOS R100 — First Camera / Beginner Photography: The R100 does the basics well at the lowest possible price point. Its main value is as a gateway into the Canon RF ecosystem — the lenses you buy now will work on any Canon body you upgrade to later. Modest ambitions, reliably met.

Who should buy what
EOS R100 (2023)
is the right camera for you if…
  • First-time camera buyers stepping up from a smartphone
  • Students and hobbyists wanting an affordable starting point
  • Anyone who wants to start investing in Canon RF glass on a budget
  • Casual photographers who don't need advanced video or speed
Full specificationsthe better value in each row is highlighted
Specification EOS R100Canon · 2023OM-5 Mark IIOM System · 2025
Price £559Best£880
Sensor 24.1MP APS-C CMOS20.4MP Four Thirds Live MOS
Resolution 24.1MPBest20.4MP
Video 4K/30p (slight crop), 1080p/60p4K/30p, OM-Log400
Autofocus Dual Pixel CMOS AF, face detection, subject trackingPhase-hybrid AF (121 cross-type points)
Stabilisation No stabilisationUp to 7.5-stop Sync IS (6.5-stop body-only)
Burst Rate 6.5fps mechanical10fps (AF tracking), 30fps (locked)Best
Battery Life ~270 shots (CIPA)310 shots (CIPA)Best
Weight 356g (with battery and card)Best370g (body only)
Dimensions 116.3 × 85.5 × 68.8mm—
Weather Sealed Not weather sealedYesBest
Viewfinder EVF, 2.36M dots, 0.59× magnificationEVF, 2.36M dots, 1.37x magnification
Screen 3.0" fixed LCD, 1.04M dots (no touch)Fully articulating touchscreen
Mount Canon RF-mountMicro Four Thirds
Memory Cards Single SD UHS-IISingle SD (UHS-II)
Connectivity USB-C, Wi-Fi, BluetoothUSB-C, Wi-Fi, Bluetooth

Wins the row — price, resolution, burst, battery, weight and sealing are compared; text specs aren't ranked.

How they score by genreengine base scores out of 10
Genre
EOS R100
OM-5 Mark II
Portrait
6.2/10
6.5/10
Street
6.3/10
6.9/10
Travel
5.8/10
6.9/10
Wedding & Events
4.5/10
5.4/10
Filmmaking
4.5/10
5.1/10
Documentary
4.9/10
6.3/10
Sports & Action
5.6/10
6.7/10
Landscape
4.5/10
6.0/10
Wildlife
6.2/10
7.4/10
Casual
6.4/10
6.1/10
Food
5.1/10
6.9/10
Macro
4.4/10
8.1/10
Architecture
4.9/10
6.0/10
Astrophotography
4.2/10
5.5/10
Fun & simple
4.7/10
—
Vlogging & Video
—
6.5/10

Scores come from the same engine as Camera Match: verified specifications weighted by what each genre needs, with documented adjustments. The product page and this table show the enthusiast base score. See how scores are calculated →

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