Compare Canon EOS R100 vs OM System OM-3

In this technical comparison between the Canon EOS R100 and the OM System OM-3, we analyze the key features to help you choose.

Choosing between these two Cameras models often comes down to your budget, with prices around Approx. $500 and $1,999.99 USD.

Specifications Canon
EOS R100
OM System
OM-3
Canon EOS R100 OM System OM-3
Launch
Release Version May 2023 February 2025
Body
Body Dimensions 116.3 x 85.5 x 68.8 mm 139.3× 88.9× 45.8 mm
Weight Approx. 356g (with battery and card) Weight: 496g (including battery and SD card)
Mount Canon RF Mount Micro Four Thirds (MFT)
Weather Sealing No IP53-rated (Dustproof, Splashproof, and Freezeproof to -10°C)
Sensor
Sensor Technology CMOS (Standard) Stacked BSI Live MOS
Size APS-C (22.3 x 14.9 mm) 17.3× 13.0 mm (Four Thirds)
Image Resolution 24.1 Megapixels 20.4 Megapixels (Effective)
ISO Sensitivity 100–12,800 (Extended: 25,600) 200 – 25,600 (Expandable to 80–102,400)
Image Stabilization No In-Body Image Stabilization (Lens-based OIS or Digital Movie IS only) 5-Axis In-Body Image Stabilization (IBIS); 6.5 stops (Body) / 7.5 stops (Sync IS with compatible lenses)
Display & Viewfinder
Rear screen 3.0-inch Fixed LCD (Non-articulating, Non-touch); 1.04M dots 3.0-inch Vari-angle Touchscreen LCD (1.62M dots)
Viewfinder 0.39-inch OLED EVF; 2.36M dots; 0.95x magnification OLED Electronic Viewfinder (2.36M dots), 1.37x magnification (equivalent to 0.69x in 35mm)
Autofocus
AF Points Up to 143 AF zones 1,053 points (All Cross-type)
Autofocus System Dual Pixel CMOS AF (Note: Reverts to Contrast AF during 4K video) Phase Detection (Cross Quad Pixel AF) and Contrast Detection
AI Subject Recognition Yes (Human Face/Eye detection) AI Detection AF (Humans, Animals, Birds, Vehicles)
Photo
Continuous shooting 6.5 fps (One-Shot AF); 3.5 fps (Servo AF) Up to 120 fps (S-AF), 50 fps (C-AF with Tracking), and 6 fps (Mechanical Shutter)
Formats JPEG, RAW (14-bit CR3), C-RAW RAW (12-bit), JPEG, and High-Res Shot (50MP Handheld / 80MP Tripod)
Video
Video Performance 4K UHD at 24p (with significant crop); Full HD at 60p; 720p at 120p C4K / 4K UHD at up to 60p; Full HD at up to 240p (High-Speed)
Bit-depth 8-bit internal (4:2:0) 8-bit (H.264) or 10-bit (H.265 / HEVC); supports OM-Log and HLG
Audio Connectivity 3.5mm Mic jack / No Headphone jack 3.5 mm Stereo Mini Jacks for both
HDMI output Micro-HDMI (Type D) Micro-HDMI (Type-D); 4:2:2 10-bit output supported
Storage
Card slots Single slot 1 slot
Sensor Technology SD/SDHC/SDXC (UHS-I compatible) SD / SDHC / SDXC (UHS-II supported)
Connectivity
Wi-Fi Wi-Fi 4 (2.4GHz) Built-in (2.4 / 5 GHz)
Bluetooth Version 4.2 Built-in (v4.2 Low Energy)
USB / HDMI USB-C (USB 2.0 speeds); Micro-HDMI USB-C (USB 3.0) / Micro-HDMI (Type-D)
Battery
Model LP-E17 BLX-1 Lithium-ion
Battery Life Approx. 340–400 shots (depending on EVF/LCD usage) Approx. 590 shots (Standard Mode)
USB charging No (Requires external charger included in box) Supported (USB-PD Power Delivery supported)
Misc
Inside the box Camera body, LP-E17 Battery, LC-E17 Charger, Neck Strap, Body Cap OM-3 Body, BLX-1 Battery, CB-USB13 Cable, Shoulder Strap, Instruction Manual
Price Approx. $500 $1,999.99 USD
Full Details EOS R100 - Full Specifications OM-3 - Full Specifications