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Canon 1DX Mark III

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The Canon 1DX Mark III is a powerful DSLR built for difficult and dynamic applications, and a serious upgrade to the 1DX Mark II. Key features include:

  • 20.1MP full-frame CMOS sensor; DIGIC X image processor

  • EOS iTR AF X 91-point autofocus; dual-pixel CMOS autofocus

  • Up to 20 fps continuous shooting in live view

  • DCI 4K and 5.5K RAW video capture

Third Time’s the Charm. While the Canon 1DX Mark II was a refined, almost incremental update to the original 1DX, the 1DX Mark III is a substantial improvement to its predecessor. Its newly designed 20MP full-frame CMOS sensor and DIGIC X image processor give you sharp, detailed images even when you’re shooting in low light, and improved shooting rates and video-capture capabilities. An all-new 191-point autofocus system uses “Deep Learning” to track heads and faces, and it uses Dual Pixel AF in live view for fast subject tracking. CFexpress memory compatibility caters to the improved shooting rates and higher-resolution video capabilities, and you can get twice as many shots per battery charge compared to the Mark II.

20.1MP Full-Frame CMOS Sensor. This redesigned sensor works in tandem with a newly designed low-pass filter and a DIGIC X image processor to give you remarkable image quality, speed, and sensitivity. You get up to 20 fps continuous shooting in live view or 16 fps when using the viewfinder, while the buffer gives you RAW + JPEG bursts of up to 1,000 frame sequences. The ISO 100-102,400 native sensitivity range can be expanded to 50-819,200, making the 1DX III great in a broad range of lighting conditions.

Refined EOS iTR AF X Autofocus System. A redeveloped imaging system deserves a refined autofocus system, and that’s just what you get. The EOS iTR AF X system uses 191 points—155 of which are cross-type—to quickly and accurately acquire focus, while Deep Learning Technology offers even more refined head and facial tracking for subject recognition.

Dual-Pixel CMOS AF. The Mark III also includes Canon’s dual-pixel AF system. Limited to video and live-view shooting, this system uses phase-detection for continuous autofocus and tracking with user-adjustable sensitivity and speed settings. Its 3,869 manually selectable points and 525 automatic positions give you smooth, fast focusing similar to what you’d find on a camcorder, while its Movie Servo AF mode lets you dictate tracking sensitivity, autofocus speed, and face-tracking priority. This camera also offers rack focusing via the touchscreen rear LCD when shooting video.

DCI 4K and 5.5K RAW Video. The Canon EOS-1DX Mark III captures DCI 4K video up to 60p with 10-bit 4:2:2 color, and 12-bit RAW 5.5K video. You can record DCI 4K with either the full sensor area or a cropped portion, and Canon Log Gamma gives you control over color grading. When you’re using the Canon Log setting, this camera can output 10-bit movie footage in ITU-R BT.2020 color, while the HDMI port can output 4K video directly to an external drive. The Mark III also captures Full HD up to 120p (4:2:0/8-bit) for slow-motion playback. Audio is handled by the in-camera stereo mic or externally using the 3.5mm input, with real-time monitoring possible thanks to the 3.5mm headphone jack. In addition to Canon Log Gamma, you also get Movie Digital IS, manual focus peaking, and Focus Guide, although you’ll need an external EVF or video monitor if you want zebra warnings.

Professional Build. Just as you’d expect from a 1D-series camera, the Mark III is built like a tank. The magnesium-alloy body features built-in vertical grip, dust- and weather-sealing, a touch-sensitive Smart Controller, multiple customizable buttons, bright 0.76x optical pentaprism with 100% viewfinder coverage, and a 3.2-inch, 2.1m-dot rear touchscreen LCD. It uses the same LP-E19 battery as its predecessor, but offers up to 2,850 shots per charge compared to the Mark II’s 1,210.

Dual CFexpress Memory Slots. To keep up with the increase in data flow, the Mark III takes advantage of the CFexpress format. You’ll need to use CFexpress cards if you’re looking to get the most out of the Mark III, so Canon has equipped it with dual CFexpress-compatible slots. This means you can record 5.5 RAW footage on one CFexpress card while simultaneously recording high-quality 4K MP4 video on the other.

Accessory Shoe

4:2:2 10-Bit
DCI 4K (4096 × 2160) up to 59.94p

Aspect Ratio


Audio File Formats

AAC, Linear PCM (Stereo)

Audio Recording

Built-In Microphone (Stereo)
External Microphone Input (Stereo)

Autofocus Points

Phase Detection: 191 (155 Cross-Type)

Autofocus Sensitivity

-4 to +18 EV


1x LP-E19 Rechargeable Lithium-Ion, 11.1 VDC, 2750 mAh (Approx. 2850 Shots)

Bit Depth




Built-in Flash


Camera Type



USB Type-C (USB 3.1), HDMI C (Mini), Canon N3, 3.5mm Headphone, 3.5mm Microphone, PC Sync Socket, RJ45

Continuous Shooting

Up to 20 fps at 20.1 MP for up to 1000 Exposures (RAW)
Up to 16 fps at 20.1 MP for up to 1000 Exposures (Raw)

Dedicated Flash System




Diopter Adjustment

-3 to +1

Exposure Compensation

-5 to +5 EV (1/3, 1/2 EV Steps)

Exposure Modes

Aperture Priority, Manual, Program, Shutter Priority

External Flash Connection

Hot Shoe, PC Terminal

Flash Compensation

-3 to +3 EV (1/3 EV Steps)

Focus Type

Auto and Manual Focus


Continuous-Servo AF, Manual Focus, Single-Servo AF





ISO Range

Auto, 100 to 102400 (Extended: 50 to 819200)

Image File Formats


Image Stabilization

Digital (Video Only)

Interval Recording


Item Type


Maximum Resolution

5472 × 3648

Maximum Sync Speed

1/250 Second

Memory Card Slot

Dual Slot: CFexpress Type B (CFexpress 1.0)

Metering Modes

Center-Weighted Average, Evaluative, Partial, Spot

Metering Range

0 to 20 EV

Mirror Lock-Up


Monitor Resolution

2,100,000 Dot

Monitor Size


Monitor Type

Fixed Touchscreen LCD


Canon EF


Actual: 21.4 Megapixel
Effective: 20.1 Megapixel

Recording Limit

Up to 29 Minutes, 59 Seconds

Self Timer

2/10-Second Delay

Sensor Dimensions

36 × 24mm

Sensor Size

Full Frame

Sensor Type


Shutter Speed

Mechanical Shutter
1/8000 to 30 Seconds
Bulb Mode

Video Encoding


Video Recording Modes

Raw 12-Bit
5.5K (5472 × 2886) at 23.976p/24.00p/25p/29.97p/50p/59.94p [1800 to 2600 Mb/s]

MP4/H.265 4:2:2 10-Bit
DCI 4K (4096 × 2160) at 23.976p/24.00p/25p/29.97p/50p/59.94p [170 to 1000 Mb/s]
UHD 4K (3840 × 2160) at 25p/29.97p/50p/59.94p [170 to 1000 Mb/s]
Full HD (1920 × 1080) at 25p/29.97p/50p/59.94p/100p/119.88p [18 to 470 Mb/s]

MP4/H.264 4:2:0 8-Bit
DCI 4K (4096 × 2160) at 23.976p/24.00p/25p/29.97p/50p/59.94p [120 to 940 Mb/s]
UHD 4K (3840 × 2160) at 23.976p/25p/29.97p/50p/59.94p [120 to 940 Mb/s]
Full HD (1920 × 1080) at 25p/29.97p/50p/59.94p/100p/119.88p [12 to 360 Mb/s]

Viewfinder Coverage


Viewfinder Eye Point


Viewfinder Magnification

Approx. 0.76x

Viewfinder Type

Optical (Pentaprism)


2.75 lbs.

White Balance

Auto, Cloudy, Color Temperature, Custom, Daylight, Flash, Fluorescent (White), Shade, Tungsten





Canon 1DX Mark III

Battery - Canon LP-E19

Camera Strap

Canon EF Body Cap

Canon Eyecup Eg

Charger - Canon LC-E19

Charger - Non-Polarized Cable

Manual - Canon 1DX Mark III Cheat Sheet / Paper Manual