Missing EXIF data?

Comments

10 comments

  • Ulf Liljegren
    This does work
    Note that you will need a lens that support info.
    If you check in Capture One \"Lens\" is not a EXIF field but \"Focal lenght\" is.
    This is brought over to the file
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  • dreze
    The lens information gives the range of the zoom (e.g. 70-300) and the focal length gives the actual focal length used for the shot.
    I am using a Canon 300D and the 2 informations are present in the RAW file but the \"lens\" information is deleted by C1.
    I am also interested in this information.
    Thank you for the good job
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  • Ulf Liljegren
    I am well aware of the differences.
    However \"Focal lenght\" is a valid EXIF field but \"lens\" is a private tag and not a part of the EXIF standard, this is why this information is not brought over.
    This does not mean we will not implement if possible in the future but this is the reason why it is not brought over to the processed file today.
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  • PhotoArtisan
    This information is placed in the JPG's EXIF by the CO Rebel version.

    Here are the most notable changes to me between EXIF in CO Rebel and CO 3.6:

    Copyright: Rebel uses the copyright message set in the CO preferences, gone in 3.6
    Camera Info (Firmware Ver, s/n, image number, owner): gone in 3.6
    Focal Length (2nd): Identifies the focal length of lens used, i.e. 28-80, gone in 3.6
    FocalLengthIn35mmFilm: shows the 1.6 mutiplication due to sensor size, gone in 3.6
    Software: shows the CO type and version used, gone in 3.6
    Exposure Mode: Used to show the Creative mode used, in 3.6 just says auto
    Subject Distance: gone in 3.6
    ExifImageWidth & ExifImageHeight: Added in 3.6 but are wrong, they show the thumbnail size instead of the image size
    There are other changes, but I'm not sure yet if they are showing less or wrong info or just reporting it differently.
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  • Ulf Liljegren
    Thanks for the input.
    Some are lacking to be implemented (like artist on jpgs) and some are pending as I have written above due to they are not EXIF information but private tags which are specific to either Canon or the specific model which I presume in this case is 300D.
    A new camera core has been implemented which improves your image quality compaired to previous versions and also assures faster implementation of new camera modells, but this also mean it will take a while to rebuild all the previous function. Rest assure we will get there.
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  • joslawrence
    Hi,

    I too am bothered by the fact that the Camera Specific Information is lost after conversion. There is, at the present, a simple help for this problem. I have writen an article on my website about it , the link
    is: http://www.creationview.com/Art-2.html
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  • jwjohnson
    I too, find it disturbing that a relatively inexpensive program like Breezebrowser and the Adobe Camera Raw converter can preserve the camera specific data, such as the lens used, and C1 cannot.
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  • Ulf Liljegren
    Here is the complete list for what we support on Canon EOS cameras:
    http://support.phaseone.com/KBFiles/1735/1/CanonWin.pdf
    We try to implement all the tags that conform to the EXIF standard, a few is manufacture specific, to the best of my knowledge is focal length standard EXIF but lens is not.
    Breezebrowser as you refer to can of course all this things because they are relying 100% on the Canon SDK, this means that the software is a Canon software with a different (and my opinion better) interface but again it suffers under the Canon softwares limitations as well.
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  • jwjohnson
    Actually, the document you refered to says that lens and focal length are both supported, but we know that's not true.
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  • jpooton
    Hello!

    I've been looking all over the net for an answer to this exact question.

    According to the chart linked below, \"Lens\" information (which is found in the Maker Note EXIF field) is supported:


    According to this KB article, \"Canon Maker Note data will also be transferred to the developed output files\".


    Within in C1 itself, \"Lens\" information is shown when you mouseover a Canon thumbnail, so obviously C1 is even interpreting and making use of the Maker Note data.

    So why isn't the EXIF Maker Note data making it's way out into developed JPEGs. It's not as though it needs to be parsed, it just needs to be preserved. According to the KB article it sounds like this is a bug?
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