Canon EOS C300 Mark III Cinema Camera
The Canon EOS C300 Mark III is a 9.6 MP (4206 x 2280 total pixels); 8.85 MP (4096 x 2160 effective) Super 35 cinema camera — with 4K (4096x2160) video. Used copies start from $3,384.36 on GearFocus, with buyer protection on every purchase.
Canon EOS C300 Mark III Cinema Camera
Used Canon EOS C300 Mark III Listings on GearFocus
Camera Overview — Canon EOS C300 Mark III
Key Features — Canon EOS C300 Mark III
Super 35 Dual Gain Output Sensor: The 9.6MP Super 35 sensor uses Canon's Dual Gain Output architecture to capture highlight and shadow detail simultaneously, contributing to its wide dynamic range.
Cinema RAW Light Recording: Records 12-bit Cinema RAW Light internally to CFexpress Type B cards, giving colorists substantial latitude in post without the file sizes of full RAW formats.
4K Up to 120fps: Captures 4K (4096x2160) at up to 120fps; 180fps is available at reduced resolution (2K crop mode), enabling high-speed slow-motion across multiple resolution settings.
ISO 100–102400: Wide native ISO range gives cinematographers flexibility across controlled studio environments and low-light location shoots.
Dual Pixel AF with Subject Tracking: Phase-detection Dual Pixel AF covers up to 80% of the frame horizontally and vertically, with subject tracking for reliable focus on moving subjects.
Comprehensive Color Profile Support: Supports Canon Log 2, Canon Log 3, Wide DR, BT.709, PQ, and HLG, covering both cinema post-production and broadcast delivery workflows.
Camera Specifications — Canon EOS C300 Mark III
| Spec | Detail |
|---|---|
| Use Cases | Documentary, Video / Cinematography |
| Type | Other |
| Sensor | Super 35 |
| Resolution | 9.6 MP (4206 x 2280 total pixels); 8.85 MP (4096 x 2160 effective) |
| Processor | DIGIC DV7 |
| ISO Range | 100 – 102400 |
| AF System | Dual Pixel AF (Canon), Contrast Detection |
| AF Points | Up to 80% horizontal and vertical coverage |
| Max Photo Resolution | 4096x2160 px |
| Max Video Resolution | 4K (4096x2160) |
| Max Frame Rate | 180fps |
| Bit Depth | 10-bit, 12-bit (Cinema RAW Light); 10-bit (XF-AVC) |
Description — Canon EOS C300 Mark III
The Canon EOS C300 Mark III is a Super 35 cinema camera with a 9.6 MP sensor (4206 x 2280 total pixels) producing 8.85 MP effective resolution at 4096 x 2160, processed by the DIGIC DV7 engine. Its ISO range runs from 100 to 102400, and video recording is available at up to 4K (4096x2160) with frame rates reaching 180fps — including stops at 120fps, 60fps, 59.94fps, 50fps, 30fps, and down to 23.98fps. Bit depth options extend to 12-bit with Cinema RAW Light and 10-bit with XF-AVC, supported by six color profiles: Canon Log 2, Canon Log 3, Wide DR, BT.709, PQ, and HLG.
The autofocus system combines Dual Pixel AF and Contrast Detection, covering up to 80% of the frame in both directions, with subject tracking enabled. The built-in 4.3-inch LCD touchscreen resolves 2.76 million dots, and optional viewfinders (EVF-V50 at 1.77M dots or EVF-V70 at 3.69M dots) connect at 60Hz. Storage uses CFexpress Type B and SDXC cards.
The body is weather sealed, constructed from magnesium alloy and polycarbonate resin, and measures 153 x 148 x 168 mm at 1750g. Connectivity includes Wi-Fi, HDMI Type A (4K output), and 3.5mm stereo jacks for both headphone and microphone.
Pros — Canon EOS C300 Mark III
- ✓Wide ISO range from 100 to 102400 (specifications.iso) supports a broad variety of lighting conditions
- ✓12-bit Cinema RAW Light and 10-bit XF-AVC recording (specifications.videoSpecs.bitDepth) provide flexible post-production options
- ✓Extensive frame rate selection up to 180fps (specifications.videoSpecs.maxFrameRate) enables high-speed and slow-motion capture at 4K
Cons — Canon EOS C300 Mark III
- ✗At 1750g body-only (specifications.bodyDesign.weight), the camera is on the heavier side for handheld-only operators
- ✗No built-in viewfinder — EVF requires optional add-on purchase (specifications.viewfinder.type)
- ✗Digital/Electronic IS only with no in-body optical stabilization (specifications.imageStabilization)
Reviews — Canon EOS C300 Mark III
- Here's Why the Canon C300 Mark III Is My Go-To Cinema Camera
No Film School · 2020-05-14 - Canon C300 Mark III - First Look Review
CineD · 2020-04-16 - Canon EOS C300 Mark III hands-on footage
Newsshooter · 2020-04-21 - Canon C300 mkiii vs Sony FX9 | Battle of the $11k Cameras
Potato Jet - Canon’s Legendary Cinema Camera!?
CVP
Videos — Canon EOS C300 Mark III
Canon C300 Mark III Review // My New Favourite Camera — Gerald Undone
Frequently Asked Questions — Canon EOS C300 Mark III
What is the maximum video resolution and frame rate the C300 Mark III can record?+
The camera records up to 4K (4096x2160) video. The maximum frame rate is 180fps, with a full range of options including 23.98, 24, 25, 29.97, 30, 50, 59.94, 60, 120, and 180fps available.
What recording formats and bit depths does the C300 Mark III support?+
The camera supports 12-bit Cinema RAW Light and 10-bit XF-AVC recording. Color profiles available include Canon Log 2, Canon Log 3, Wide DR, BT.709, PQ, and HLG.
What autofocus system does the C300 Mark III use?+
It uses a combination of Dual Pixel AF (Canon) and Contrast Detection. The system provides up to 80% horizontal and vertical frame coverage and includes subject tracking, though eye tracking is not supported.
What storage media does the camera accept?+
The C300 Mark III accepts CFexpress Type B cards and SDXC cards.
Does the C300 Mark III have a built-in viewfinder?+
No, there is no built-in viewfinder. The camera is compatible with the optional OLED EVF-V50 (1.77 million dots) or EVF-V70 (3.69 million dots), both operating at 60Hz.
Is the C300 Mark III weather sealed?+
Yes, the body carries a weather-sealed rating and is constructed from magnesium alloy and polycarbonate resin. It measures 153 x 148 x 168 mm and weighs 1750g (body only).