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Camera faceoff

EOS C300 Mark III vs FX6

Canon · Sony

Specs at a glance

Category
cinema
cinema
Sensor
Super35 CMOS
Full-Frame CMOS
Sensor Size
26.2 x 13.8 mm
35.6 x 23.8 mm
Megapixels
8.85
10.2
Mount
Canon EF
Sony E
Max Resolution
4K DCI (4096x2160)
4K DCI (4096x2160)
Max Frame Rate
120 fps (4K), 180 fps (2K)
240fps @ 1080p
Codec
Cinema RAW Light, XF-AVC
XAVC
Dynamic Range
16 Stops
15 Stops
ISO Range
ISO 2–102400
ISO 3–409600
ND Filter
2–10 stop (5-position wheel)
2–7 stop (variable)
Stabilization
Electronic Image Stabilization
Supplies Stabilization Metadata
Autofocus
Dual Pixel CMOS AF
Phase-detect, 627 points
Log / Gamma
Canon Log 2, Canon Log 3, HDR-HLG, HDR-PQ, Rec709, Wide DR
HDR-HLG, Rec709, S Cinetone, Sony S-Log 3, Standard
Battery
Canon BP-A Series
Sony BP-U Series
Weight
1750g
890g
MSRP
$10,999
$5,999

Summary

Choose the Canon C300 Mark III for productions demanding the absolute best image quality and robust professional I/O, leveraging its DGO sensor and Cinema RAW Light. Opt for the Sony FX6 for agile, low-light shoots where its full-frame sensor, electronic variable ND, and reliable autofocus provide a significant advantage.

Which would you pick?

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Highlights

EOS C300 Mark III

  • Sensor & Image Science: Super 35mm DGO sensor delivers 16+ stops of dynamic range and excellent low-light performance.
  • Codecs & Formats: Internal Cinema RAW Light and XF-AVC 4:2:2 10-bit for maximum post-production flexibility.
  • I/O & Connectivity: Features Genlock and Timecode (BNC) for multi-camera setups, alongside dual 3G-SDI outputs.
  • Tools & Usability: Built-in motorized ND filters (2, 4, 6, 8, 10 stops) offer precise exposure control.

FX6

  • Sensor & Image Science: Full-Frame Exmor R CMOS sensor provides exceptional low-light sensitivity (ISO up to 409600) and shallow depth of field.
  • Codecs & Formats: Internal 10-bit 4:2:2 XAVC-I recording and high frame rates up to 240 fps in FHD.
  • Rigging & Ergonomics: Extremely compact and lightweight (890g) for agile run-and-gun and gimbal work.
  • Tools & Usability: Electronic Variable ND filter offers seamless exposure adjustments in dynamic lighting conditions.
  • Tools & Usability: Fast Hybrid AF with real-time tracking is highly reliable for solo operation and fast-paced shoots.

The trade-off

Choosing the Canon C300 Mark III means giving up the compact full-frame form factor and the convenience of electronic variable ND. Choosing the Sony FX6 means giving up the superior 16+ stops of dynamic range from the DGO sensor and internal Cinema RAW Light.

Best for…

Narrative / High-End Commercial

Canon C300 Mark III

16+ stops DR and Cinema RAW Light for cinematic grading

Documentary / Run-and-Gun

Sony FX6

full-frame low-light, electronic variable ND, and reliable AF

Multi-Camera Live Production

Canon C300 Mark III

Genlock and Timecode for seamless sync

Solo Operator / Event

Sony FX6

lightweight, compact, and excellent autofocus for dynamic shoots

What to pair it with

Updated 2/26/2026