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More information on upcoming firmware update for 5D Mark IV features C-log supports

Canon 5D Mark IV

Last time we told you that Canon will add the innovative C-log supports in 5D Mark IV via firmware update to maximize the sharpness and clarity in the video. But we were waiting for some confirmed information if it was going to be true or not? Now, once again a new rumor recently surfaced over the web gave us enhanced information about the upcoming firmware update for regarding C-Log supports for Canon 5D Mark IV.

Read out here

  • All video output will still be 8-bit.
  • Sampling for DCI 4K will be increased to a 5632 x 2970 pixel sensor area resulting in a 1.27x Crop factor.
  • Sampling for UHD will be from a 5472 x 3078 pixel sensor area resulting in a 1.29x Crop factor.
  • Both modes are accurately down-sampled to their final resolutions.
  • Existing frame rates will remain the same.
  • The current 1:1 4K sampling mode will remain an option for situations benefiting from the 1.78x Crop factor.
  • There will also be new full-sensor 3K modes added including 60fps and HDR 24fps.Both will use a line-alternating sampling method, so quality will be inferior to the improved 4K format (but better than the existing FullHD 1080p format.) It is unclear whether the file resolution in the final firmware will be the full 3360 x 1890 format or down-sampled to 3072 x 1728.
  • FullHD 1080p will also use this 3K full-sensor mode with down-sampling for a noticeable improvement in perceived resolution.
  • FullHD 1080p will also receive a modest frame rate boost to 72/75fps.
  • The EOS 5D Mark IV will gain the XF-AVC file format at 120Mbps (4:2:0) and 200Mbps (4:2:2). Both formats should require low enough data rates to accommodate UHS-I U3 type SD Cards.
  • Reports relating to a possible service job for the 5D Mark IV are the result of the heat sinks on current units not performing well in some environments when used with the newer firmware. This is because of the increased processing load from the enlarged video sampling area. Newer units will ship with an improved heat sink while existing 5D Mark IV units can be retrofitted. Pricing is unconfirmed for that servicing.
  • The newer firmware will still work in non-serviced cameras, but this may result in premature temperature warnings.

Please visit our 5D Mark IV Page to know more about this remarkable camera

ViaCR

 

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