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Flash???
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lens profile question

May 23, 2012 11:44 AM

Tags: #cs5 #raw

I've done a lot of field work with a Canon G9, and it would be extremely helpful to have a lens profile, but I operate the camera remotely, and in this mode, it only shoots jpegs. I have 3 questions:

 

1) Is there a G9 lens profile for jpeg?

2) Is it possible to convert my jpegs to RAW?

3) Would it be possible to use an existing G9 lens profile (RAW) on images converted from jpeg, or would that be futile?

626 Views   4 Replies   Latest reply: Flash???, May 23, 2012 12:39 PM
 
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  • Lee Jay
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    1. Lee Jay,
    May 23, 2012 11:52 AM   in reply to Flash???
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    You can do number 3 (convert a raw profile to JPEG) with usually okay results, and I've posted how to do that on numerous occasions.

     

    Change all the lines that look like:

      <stCamera:CameraRawProfile>True</stCamera:CameraRawProfile>

     

    to False (preferably in a new file).

     
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  • Flash???
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    2. Flash???,
    May 23, 2012 11:57 AM   in reply to Lee Jay
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    Lee,

     

    I think you misunderstood the question, or maybe I misunderstood the answer.

     

    The photos I want to correct are Jpegs. Can I convert them to RAW, and then treat them with the existing G9 RAW lens profile?

     
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  • Jeff Schewe
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    3. Jeff Schewe,
    May 23, 2012 12:06 PM   in reply to Flash???
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    No, you misunderstood...you can not convert a JPEG to a raw file but you can edit the lens profile for an existing lens intended for a raw image so that it will also work on a JPEG file...

     
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  • Flash???
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    4. Flash???,
    May 23, 2012 12:39 PM   in reply to Jeff Schewe
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    Thanks.

     
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