Canon EOS-1D X Mark III DSLR Camera
The Canon EOS-1D X Mark III is a 20.1 MP full-frame DSLR camera — with 5.5K (5472x2886) video. Used copies start from $2,005.32 on GearFocus, with buyer protection on every purchase.
Canon EOS-1D X Mark III DSLR Camera
Used Canon EOS-1D X Mark III Listings on GearFocus
Overview — Canon EOS-1D X Mark III
Key Features — Canon EOS-1D X Mark III
20.1MP Full-Frame Sensor: A 35mm full-frame CMOS sensor paired with the DIGIC X processor delivers high image quality and fast processing across demanding shooting scenarios.
20fps Burst Shooting: Captures up to 20 frames per second in mechanical shutter mode, making it suited for fast-moving subjects in sports and wildlife photography.
191-Point AF (Viewfinder): Phase Detection autofocus with 191 points in the viewfinder and up to 3,869 positions in Live View, with Eye Detection and AI-based subject tracking.
5.5K RAW Video: Records up to 5472x2886 RAW video with 12-bit output and 10-bit 4:2:2 H.265/HEVC, supporting Canon Log and HDR PQ for professional post workflows.
ISO 100–102,400: Native ISO range covers a wide spectrum of lighting conditions, expandable beyond for extreme low-light scenarios.
Dual CFexpress Type B Slots: Two CFexpress Type B card slots support high-speed sequential shooting and simultaneous backup or overflow recording.
Specifications — Canon EOS-1D X Mark III
| Spec | Detail |
|---|---|
| Use Cases | Sports, Wildlife |
| Type | DSLR |
| Sensor | Full Frame (35mm) |
| Resolution | 20.1 MP |
| Processor | DIGIC X |
| ISO Range | 100 – 102400 |
| AF System | Phase Detection, Dual Pixel AF (Canon), Face Detection AF, Eye Detection AF, AI-Based Subject Tracking |
| AF Points | 191 points (viewfinder), 3869 points (Live View) |
| Max Photo Resolution | 5472x3648 px |
| Burst Rate | 20 fps |
| Max Video Resolution | 5.5K (5472x2886) |
| Max Frame Rate | 60fps |
Description — Canon EOS-1D X Mark III
The Canon EOS-1D X Mark III is a professional full-frame DSLR built around a 20.1 MP full-frame (35mm) sensor and the DIGIC X image processor. Its 20 fps continuous burst rate and ISO range of 100–102,400 make it capable across a wide spectrum of shooting scenarios. The autofocus system delivers 191 points in viewfinder mode and 3,869 points in Live View, with Phase Detection, Dual Pixel AF, Face Detection, Eye Detection, and AI-Based Subject Tracking all on board.
Video recording reaches 5.5K (5472x2886) with 10-bit 4:2:2 H.265/HEVC and 12-bit RAW video, supported by frame rates up to 120fps at FHD and color profiles including Canon Log and HDR PQ (Rec. 2100/Rec. 2020). The magnesium alloy, weather-sealed body measures 158 x 167.6 x 82.6 mm and weighs 1,440g. Connectivity includes Wi-Fi, Bluetooth, a 3.5mm microphone jack, 3.5mm headphone jack, and Mini HDMI (Type C) output.
Dual CFexpress Type B slots and a 3.2-inch, 2.1-million-dot touchscreen complete the feature set for serious professional use.
Pros — Canon EOS-1D X Mark III
- ✓High-speed burst shooting at 20 fps (photoSpecs.maxBurstFrameRate)
- ✓Extensive autofocus coverage with 191 viewfinder points and 3,869 Live View points, including Eye Detection and AI Subject Tracking
- ✓5.5K video recording with 10-bit 4:2:2 H.265/HEVC and 12-bit RAW video (videoSpecs.bitDepth)
Cons — Canon EOS-1D X Mark III
- ✗Body weighs 1,440g — among the heavier options for a DSLR (bodyDesign.weight)
- ✗No in-body optical image stabilization; only Digital/Electronic IS is available (imageStabilization.inBodyIS)
- ✗Limited to Canon EF mount — no native RF or third-party mount compatibility listed (mount.lens)
Reviews — Canon EOS-1D X Mark III
Videos — Canon EOS-1D X Mark III
Canon 1DX III is a BIG deal (vs Sony a9) — Tony & Chelsea Northrup