magenta cast with canon 1ds mk2 when using ISO L(50)

will heap

• 2008年10月20日 17:17

This only happens when shooting on ISO L (50)

Raw files show an unfixable magenta cast in the highlights. c1 version 3.7.9
Processed raws also have the cast.

When looking at the raws in CL 4 PRO previews have cast but cast does not appear in processed files. Same as for photoshop and canon photo proffesional.

I like to use ISO L whenever i can and C1 3.7.9 is my preferred software for the moment.

Any suggestions greatly appreciated.

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  Drew Altdo

  • 2008年10月20日 20:07

  Will,
  There is a KB article about this issue, it is due to the adjustment made in camera to account for ISO 50. Effectively this adjustment reduces your Dynamic Range, so it's doing "in camera" what you can be doing in the software at ISO 100. The adjustments are controlable when using the software apporoach rather then letting the camera do it for you.
  
  http://www.phaseone.com/HOME/Content/Su ... 20-%20Main

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  will heap

  • 2008年10月21日 08:01

  Thanks for the reply. i always wandered why it was called ISO L. Calling it ISO 50 would have been misleading.
  
  This has only just started happening.
  i think it may have coincided with the latest firmware update from Canon.

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