cancel
Showing results for 
Show  only  | Search instead for 
Did you mean: 

XF 405 output bitstream

nilly
Contributor

In the specs for the Canon XF 405 it says the external output via the HDMI socket at 25p is 4:2:2

    Does this mean it is uncompressed 4:2:2 or ProRes 4:2:2?

1 ACCEPTED SOLUTION

Accepted Solutions

rs-eos
Elite
Elite

It should be uncompressed.  Manual should also state if it would be either 8-bit or 10-bit.

It would not be ProRes; only very few of Canon's high end cinema cameras offer ProRes as a codec choice.

--
Ricky

Camera: EOS R5 II, RF 50mm f/1.2L, RF 135mm f/1.8L
Lighting: Profoto Lights & Modifiers

View solution in original post

5 REPLIES 5

rs-eos
Elite
Elite

It should be uncompressed.  Manual should also state if it would be either 8-bit or 10-bit.

It would not be ProRes; only very few of Canon's high end cinema cameras offer ProRes as a codec choice.

--
Ricky

Camera: EOS R5 II, RF 50mm f/1.2L, RF 135mm f/1.8L
Lighting: Profoto Lights & Modifiers

Thanks. What would be the bitrate at 3840x2160 50p 8-bit 4:2:0 and how much lower is this than 4:2:2?

rs-eos
Elite
Elite

That I do not know (actual bitrates of uncompressed signals).  But as a rule of thumb for 8-bit 4:2:0 vs 10-bit 4:2:2, the 8-bit variant should be around 60% less data than the 10-bit variant.  Part of that is the less bits per component, but also less color information too.

--
Ricky

Camera: EOS R5 II, RF 50mm f/1.2L, RF 135mm f/1.8L
Lighting: Profoto Lights & Modifiers

Thanks a lot

Inapickle
Rising Star

It means that it is outputting an 8 bit YCbCr 4:2:2 signal.

User Manual (NTSC version), page 117:

XF-405 output.PNG

 

Holiday
Announcements
12/15/2025: New firmware update available for EOS C50 - Version 1.0.1.1

11/20/2025: New firmware updates are available.

EOS R6 Mark III - Version 1.0.1

EOS R3 - Version 2.0.0

EOS R1 - Version 1.2.0

EOS R5 Mark II - Version 1.2.0

EOS R5 - Version 2.2.1

PowerShot G7 X Mark III - Version 1.4.0

PowerShot SX740 HS - Version 1.0.2


10/21/2025: Service Notice: To Users of the Compact Digital Camera PowerShot V1

10/15/2025: New firmware updates are available.

Speedlite EL-5 - Version 1.2.0

Speedlite EL-1 - Version 1.1.0

Speedlite Transmitter ST-E10 - Version 1.2.0


07/28/2025: Notice of Free Repair Service for the Mirrorless Camera EOS R50 (Black)

07/24/2025: New firmware updates are available.


07/23/2025: New firmware updates are available.

EOS R5C - Version 1.1.1.1

EOS C80 - Version 1.0.3.1


7/17/2025: New firmware updates are available.

EOS R7 - Version 1.7.1

EOS R10 - Version 1.7.0

EOS R8 - Version 1.5.0

EOS R50 - Version 1.4.0

Powershot V10 - Version 1.4.0

Powershot V1 - Version 1.1.0

EOS R50V - Version 1.1.1


05/21/2025: New firmware update available for EOS C500 Mark II - Version 1.1.5.1

02/20/2025: New firmware updates are available.

RF70-200mm F2.8 L IS USM Z - Version 1.0.6

RF24-105mm F2.8 L IS USM Z - Version 1.0.9

RF100-300mm F2.8 L IS USM - Version 1.0.8

RF50mm F1.4 L VCM - Version 1.0.2

RF24mm F1.4 L VCM - Version 1.0.3


01/22/2024: Canon Supports Disaster Relief Efforts in California
01/14/2025: Steps to resolve still image problem when using certain SanDisk SD cards with the Canon EOS R5 Mark II