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Canon EOS C300 Mark III
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Canon EOS C300 Mark III

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Impressive usability and imaging power combine in the EOS C300 Mark III, the customizable cinema camera that’s built for versatility and flexibility.

The lightweight body comes equipped with Canon's new Super 35mm Dual Gain Output (DGO) Sensor capable of over 16 stops of dynamic range. The DIGIC DV 7 Image Processor expands functionality and flexibility by enabling features such as internal RAW recording, 4K 120p High Frame Rate recording, and Dual Pixel Autofocus.

The EOS C300 Mark III is the perfect expression of form and function, exceptionally adaptable to virtually any production with its modular design. Three expansion units and user changeable lens mounts enable operators to build their ideal system for cinema or broadcasting.




Imaging Sensor


Effective Pixels

4096x2160: when 4096 x 2160 or 2048 x 1080 is selected as the resolution (Approx. 8.85 megapixels)

3840 x 2160: when 3840 x 2160 or 1920 x 1080 is selected as the resolution (Approx. 8.29 megapixels)

Total Pixels

4206 x 2280; Approx. 9.6 megapixels

Sensor Type


Sensor Size

Super 35mm

4K: 26.2 x 13.8 (29.6 mm diagonal)

UHD: 4K: 24.6 x 13.8 (28.2 mm diagonal)

Sensor Modes

Super 35mm, Super 16mm(cropped)

Pixel Pitch

6.4 μm

Scanning System


Number of Sensors



RGB Primary Colour Filter (Bayer Array)

Imaging Processor

DiG!C DV 7


Lens System


Lens Mount

Default Mount: EF

Optional: EF-C locking, PL

*All mounts are interchangeable

**Supports both EF and EF-S lens

Zoom/Focus Preset

Not Available

Shockless Zoom

Not Available

Digital Teleconverter

Not Available

ND Filter

Mechanical ND filter system with option of clear, 2, 4, and 6 stops; 8 and 10 stops in extended mode

Peripheral Illumination Correction



Exposure and Metering


Exposure Modes

(1) Manual exposure based on shutter setting, iris setting, ISO/gain setting, and ND filter setting

(2) Push auto iris control, auto iris control

Metering Modes

Standard, Spotlight and Backlight


Normal Setting -6dB to 54dB TBD

Fine Setting -2dB to 54dB in 0.5 dB increments


100 to 102,400

Auto Gain Control (AGC)

Not Available

Shockless Gain

Not Available

Exposure Compensation/AE Shift

–2.0 to +2.0 in 0.25 point intervals

Shutter Modes

3 Modes: OFF; Speed; Angle; Slow Shutter; Clear Scan

Speed Mode is selected in 1/3 or ¼ stop increments

Shutter Speed Range

59.94Hz/24.00Hz: 1/12 to 1/2000

50.00Hz: 1/12 to 1/2000

Shutter Angle Settings

59.94Hz/50.00Hz/24.00Hz: 360, 240, 180, 120, 90, 60, 45, 30, 22.5, 15, 11.25

Iris Settings (EF)

Can be set to 1/2 stop, 1/3 stop or Fine.

(1) Push auto iris control

(2) Auto iris control (Compatible lens required)

(½, 1/3 stop or fine setting can be selected)




Autofocus System

Dual Pixel CMOS AF

Focus Modes

Manual focus, continuous AF, one-shot AF, AF-Boosted MF, face detection AF

Only lenses that support AF functions can be used in AF modes


External Recording Output


System Frequency

59.94 Hz, 50.00 Hz, 24.00 Hz

59.94 Hz mode: 59.94i/59.94P/29.97P/23.98P

50.00 Hz mode: 50.00i/50.00P/25.00P

24.00 Hz mode: 24.00P




Frame Rates

Cinema RAW Light


59.94p / 29.97p / 23.98p / 50.00p / 25.00p / 24.00p


59.94p / 29.97p / 23.98p / 50.00p / 25.00p / 24.00p


4096x2160 / 3840x2160

59.94p / 29.97p / 23.98p / 50.00p / 25.00p / 24.00p

2048x1080 / 1920x1080

59.94p / 29.97p / 23.98p / 50.00p / 25.00p / 24.00p/

59.94i / 50i


59.94p / 50p

Colour Gamuts

Cinema Gamut, BT.709, BT.2020

Gamma Curves

BT.709, Wide DR, Canon Log 2, Canon Log 3, PQ, HLG


Recording / Codec



XF-AVC (10 bit 4:2:2 (CFexpress) or 8 bit 4:2:0 (SD card))

Cinema RAW Light (CFexpress)

Recording Time


Cinema RAW Light

1 Gbps

 250 Mbps


512 GB

64 Minutes

256 Minutes






410 Mbps

310 Mbps

160 Mbps

512 GB



156 Minutes

207 Minutes

401 Minutes


Long GOP

260 Mbps

160 Mbps

50 Mbps

24 Mbps

512 GB

246 Minutes

401 Minutes

1284 Minutes

2675 Minutes


Long GOP

35 Mbps

24 Mbps

17 Mbps



1945 Minutes

2840 Minutes

4010 Minutes


Recording Media

CFexpress 2,0 (Type B) x 2 slots

SD Card (Still Images (JPEG), Custom Picture Data, Clip Metadata, and menu settings); SD/SDHC/SDXC Supported

File Format



File System

CFexpress: exFat

SDHC card: (up to 32 GB): FAT32

SDXC card (more than 32 GB): exFAT

File division unit: 4 GB for FAT32, none for exFAT

Maximum Clip Number

999 (per media)




Recording Format

Linear PCM; 4-Channel; 24-Bit; 48 kHz

Built-in Microphone


External Audio Inputs

2 – XLR inputs (Auto and Manual level settings)

External microphone terminal: (3.5 mm diameter)

Recording Chanel Selection

Up to 4 channel audio recording is supported.

XLR Mic Trimming

Available; -12dB, -6 dB, 0dB or +12 dB



Recording Level Adjustment Range

- Infinity to +18dB

Phantom Power

Available; +48V

Headphone Adjustment

16 Settings; Volume is muted at lowest setting

Built-in Speaker

Available; Volume Adjustable

1KHz Tone

Available (off, -12, -18, or -20 dB)


Features and Performance



Clip Display: 3x4 Index Display.

Clip Playback: Forward Search (x5, x15, x60), Reverse Search (x5, x15, x60), Forward frame Advance, Reverse Frame Advance, Record Review, Skip to next clip, skip to previous clip

Clip information Display: Clip Metadata display, custom picture settings

Playback Functions: Clip Delete

Photo Playback: index, single playback, delete, protect

Slow and Fast Motion Recording

Available; Records at a different frame rate then the playback rate allowing for fast and slow motion effects:

Sensor Mode

Recording Mode

Available Frame Rates


Cineama RAW Light

23.98P/24P: 12-120

29.97P: 15-120

25P/50P: 15-120

59.94P: 15-120



Cinema RAW Light

23.98P/24P: 12-180

29.97P: 15-180

25P/50P: 15-180

59.94P: 15-180



23.98P/24P: 12-120

29.97P: 15-120

25P/50P: 15-120

59.94P: 15-120




23.98P/24P: 12-120

29.97P: 15-180

25P/50P: 15-180

59.94P: 15-180

Special Recording Functions

Relay Recording*; Double-Slot Recording**

* Not available during Slow Motion recording

** Not available in combination with Slow and fast motion recording or relay recording

Photo Recording Mode

Available; Images captured to SD Card

Waveform Monitor

Available (HDR Compatible);

(a) Line display

(b) Line + spot: Line display over a red waveform in a red frame.

(c) Line select display

(d) RGB (parade)

(e) YPrPb (parade)

Output gain can be selected as either 1x or 2x. With gain set to 2x, the vertical axis (Y-position) offset value can be chosen.

When gamma is set to PQ, an PQ index (nits index) can be displayed. When gamma is set to HLG, an HLG index (0.0–1.0 relative index) can be displayed.



False Colour


Exposure / Focus Aids

Peaking (2 types), Zebra Pattern, Magnify, Black and White Mode, Focus Guide

Frame Record

Not Available


Yes, 3 seconds cache (Audio and Video)

Time code

Drop Frame (DF) and Non-Drop Frame (NDF)

Time Code Modes

Regeneration, Record Run, Free Run and External Source

Auto White Balance (AWB)


White Balance

Kelvin Setting: 2,000K to 15,000K in 100K increment

-20CC to +20CC in 1 CC increments

White Balance Presets

Daylight (5,600K); Tungsten (3,200K), Custom A, Custom B

Auto Black Balance


Custom Picture Settings

20 Custom Picture settings

Custom pictures can be adjusted using the following settings and saved for later recall:

Gamma, Black, Black Gamma, Low Key Saturation, Knee, Sharpness, Noise Reduction, Skin Detail, Selective Noise Reduction, Colour Matrix, White Balance, Colour Correction, Setup Level

Custom Pictures can be saved to an SD card for later use or transferring between cameras

Custom Display

Yes; LCD panel and EVF information display can be customized

On Screen Markers

Available marker options include center, horizontal, grid, aspect, safety zone, and user marker.

With user markers, user can set their preferred size and position.

Markers can be displayed in yellow, blue, green, red, black, gray, or white.

Assign Buttons

18 total assignable button (15 assign buttons provided on camera body, 1 on the grip and 2 buttons on the monitor unit)

Colour Bars

Colour bars compliant with SMPTE, EBU, or ARIB standards can be selected depending on system frequency selected


59.94 Hz: f/10 (2048x1080/59.94P) or f/14 (1920x1080/29.97P)

50.00 Hz: f/11 (2048x1080/50.00P) or f/16 (1920x1080/25.00P)

All values for ISO 800, 2000 lux, and reflectance rate of 89.9%

Dynamic Range

Canon Log 2: 1600% / 16+ stops (ISO 800)

Canon Log 3: 1600% / 14 stops (ISO 800)


LCD Monitor



4.3-inch (10.9 cm diagonal) colour wide-screen LCD

Approx. 2,760,000 dots (1280 x RGB x 720),

Aspect Ratio


Field of View Coverage


Display Adjustments

Brightness, Contrast, Colour, Sharpness, and Luminance






3G: SMPTE 424, SMPTE 425

6G: SMPTE ST 2081

12G: SMPTE ST 2082

Audio: SMPTE ST 299

BNC Connector, output only

Monitor Out


Resolution: 2048x1080 / 1920x1080

Frame Rates: 23.98p/24.00p/25.00p/29.97p/30p/59.94p/50p/60p

Time code In/Out

Yes; BNC Connector (Input and Output)


Supported when optional expansion unit EU-V1 or EU-V2 in attached (Shares function with Synch Out)

Adjustment range: -1023 to +1023

Synch Out

Supported when optional expansion unit EU-V1 or EU-V2 in attached (Shares function with Genlock)

HD tri-level signal (HD Sync) 1920x1080: 59.94i/50i/23.98/24.00, 1280x720: 59.94p/50p/23.98, 24.00


Yes (Type A)


Audio Input Terminal

2 – Balanced 3-pin XLR (Mic Level, Mic Level with phantom power and Line Level)

3.5mm Microphone terminal

Headphone Jack

Available; 3.5mm stereo mini-jack

Remote Terminals

Remote A (Standard – LANC Compatible or RC-V100)

Remote B available In conjunction with expansion unit EU-V1 and EU-V2

Remote control through WFT-E9




Optional RC-V100





14.4V DC (Battery Pack)

Power Terminal

DC IN 12V jack: DC 11.5V - 20V

DC 12–20V (using V-mount battery with EU-V2)


BP-A Series

Compact Power Adapter





Tripod Adapter

Canon TA-100

Wi-Fi Adapter


Expansion Units

EU-V1, EU-V2


EVF-V50, EVF-V70


PL Mount Kit PM-V1, EF Cinema Lock Mount Kit CM-V1


MO-4E (EF to B4), MO-4P (PL to B4)




(Width x height x depth, excluding cable and grip belt)

Body Only: Approx. 153 x 148 x 168 mm (6.0 x 5.8 x 6.6 in.)

Body and Grip: Approx. 183 x 148 x 189 mm (7.2 x 5.8 x 7.4 in.)

Body, Grip, Handle, Mic Holder, LCD Monitor LM-V2 and Expansion Unit EU-V2: Approx. 343 x 277 x 333 mm (13.5 x 10.9 x 13.1 in)


EF Camera body (without Camera Grip GR-V1 or thumb rest) Approx. 1.75 kg ( 3.9 lb)*

*Body with PL Mount body; Approx. 2030g (4.5 lb.)

*Body with EF Cinema lock Mount body; Approx. 1860g (4.1 lb.)

Camera Grip GR-V1: Approx. 260 g (9.2 oz.)

LCD Monitor LM-V2: Approx. 204 g (7.2 oz.)

Handle unit: Approx. 227 g (8.0 oz.)

Battery Pack BP-A60: Approx. 434 g (15.3 oz.)

Compact Power Adapter CA-CP200B: Approx. 290 g (10.2 oz.) *Not including AC cable

Battery Charger CG-A20: Approx. 145 g (5.10 oz.)

Eyecap: Approx. 26 g ( 0.92 oz.)

Mic holder unit:Approx. 56 g ( 2.0 oz.)

LCD Attachment Unit LA-V2: Approx. 265 g (9.3 oz.)

Thumb rest: Approx. 9 g ( 0.32 oz.)

Extension System Attachment Bracket: Approx. 11 g (0.39 oz.)

Unit Cable UN-5: Approx. 80 g (2.8 oz.)

Body cap: Approx. 17 g (0.60 oz.)

Temperature and Humidity

Performance requirements: 0ºC to 40ºC, 85% (relative humidity)

Operating requirements: -5ºC to 45ºC, 60% (relative humidity)

Language Support

English, Japanese, Chinese, German, Spanish, French, Italian, Korean, Russian

Time and Date

Automatic Calendar range January 1st, 2020 through December 31, 2050

World Clock

World Clock support – UTC time setting: Setting range from +14:00 to -12:00


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