EOS R100vs A1 II

GearFrame · Updated March 2026

Canon EOS R100 Canon EOS R100 (2023) Starting from £529 new Best for First camera / beginner photography View EOS R100
VS
Sony A1 II Sony A1 II (2025) Starting from £6500 new Best for Professional sports, wildlife & high-resolution studio work View A1 II

GearScore™ Verdict — Which should you buy?

First Camera / Beginner Photography — EOS R100 (2023): 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.

Professional Sports, Wildlife & High-Resolution Studio Work — A1 II (2025): The most complete camera ever made — 50MP, 30fps, 8K, and the world's best EVF in a single flagship body.

↓ Full specifications below

EOS R100 (2023)

  • 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

A1 II (2025)

  • Professional sports and wildlife photographers who need 30fps, 50MP, and the best AF available
  • Commercial and advertising photographers who demand 50MP resolution alongside pro video specs
  • Photojournalists who need a single body capable of handling every assignment
  • Sony system shooters ready to invest in the absolute best

Quick take: The a1 ii has the highest resolution at 50mp; the eos r100 is the most affordable; only the a1 ii is weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification EOS R100 (2023)A1 II (2025)
Price £529 £6,500
Sensor 24.1MP APS-C CMOS 50.1MP full-frame stacked BSI CMOS
Resolution 24.1MP 50.1MP
Video 4K/30p (slight crop), 1080p/60p 8K/30p, 4K/120p 10-bit, 4K/240p super slow-motion
Autofocus Dual Pixel CMOS AF, face detection, subject tracking AI subject recognition — human, animal, bird, insect, vehicle, aircraft, train
Stabilisation None (no IBIS) 8.5-stop IBIS (with in-lens OSS)
Burst Rate 6.5fps mechanical 30fps electronic (with full AF/AE), 10fps mechanical
Battery Life ~270 shots (CIPA) ~530 shots (CIPA)
Weight 356g (body, battery, card) 743g body only
Dimensions 116.3 × 85.5 × 68.8mm 136.1 × 96.9 × 82.9mm
Weather Sealed No Yes
Viewfinder EVF, 2.36M dots, 0.59× magnification EVF 0.9× 9.44M-dot — the highest resolution EVF available
Screen 3.0" fixed touchscreen, 1.04M dots 3.2" fully articulating touchscreen, 2.1M dots
Mount Canon RF-mount Sony E-mount (full-frame)
Memory Cards Single SD UHS-II Dual CFexpress Type A / SD UHS-II slots
Connectivity USB-C, Wi-Fi, Bluetooth USB-C 3.2 Gen 2, Wi-Fi 6GHz, Bluetooth 5.3, HDMI full-size
Genre EOS R100A1 II
Portrait
9.0
9.0
Travel
7.0
7.0
Street
7.0
Video
7.0
Wildlife
4.0
9.0
Sports
9.0
Landscape
9.0
Vlogging & Video
9.0
⚡ Compare specs side by side EOS R100 prices → A1 II prices →

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