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Opening DNGs in Other Applications?

kc_shutterbug
I'm shooting a pair of Canon 70Ds.
I'm running CaptureOne 8.2 on Windows 8.1 x64.

If I open my CR2 files in CaptureOne and then process the images as DNGs,

  • I can open the DNG files in CaptureOne
  • I cannot open these DNG files using Adobe Camera RAW 8.8 as currently ships with Photoshop CC.
  • I also cannot open them with DxO Optics Pro 10.
(I do not have Lightroom installed and have not tested it. Yes, I know it comes with my CC subscription.)

On the other hand, if I convert the CR2 files to DNG using Optics Pro or Adobe's free DNG Converter 8.8 (versioning appears to match ACR), I can open the resultant DNG files with all of the RAW-capable applications I currently have installed.

Before opening a support ticket with PhaseOne and/or rethinking my DAM workflow, am I missing something?
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Comments

9 comments

Date Votes
  • Cliff Grimes
    Just an observation, in no way derogatory.

    I've yet to hear a convincing argument for converting any proprietary RAW file format into DNG. I shoot Nikon / NEFs. I would not even dream of converting my NEFs into DNG format. In the case of NEFs I'd be throwing out data material to image quality.

    I hope the OP retains her/ his CR2 RAWs?
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  • kc_shutterbug
    Absolutely, I keep the CR2 files.

    To be honest, I don't think support for the current mainstream RAW files (nef, CR2, raw, etc.) will be dropped any time soon. A small quiet voice in the back of my head tells me all the time that converting to DNG and storing those separately is probably a waste of effort and a whole lot of disk space.

    That said, however, I didn't think I'd ever need to worry about opening my old Bank Street Writer files, and I certainly never thought for even a minute I'd ever have to worry about how to open my Lotus 123 spreadsheets, and yet here I am...

    So I try to hedge my bets - but unfortunately, the only 2 real options we have available to us today for storing RAW (or RAW-like) data are TIFF (absolutely huge files) or DNG.
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  • Keith Reeder
    [quote="NN635318902730138100UL" wrote:
    In the case of NEFs I'd be throwing out data material to image quality.

    Fundamentally incorrect. DNGs contain every last bit of "image" information that your NEFs do - a DNG is materially identical to a NEF as far as what each format gives Capture One to work with.
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  • Denis de Gannes
    Any one knows the answer to the original poster's questions?
    Quote
    "I cannot open these DNG files using Adobe Camera RAW 8.8 as currently ships with Photoshop CC.
    I also cannot open them with DxO Optics Pro 10."

    I do not use the dng format but would be interested in understanding why he has this problem. The DNG format is portrayed as a open standard that will "stand the test of time" so that your raw image data is stored safely for use in the future.
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  • AiDon
    [quote="kc_shutterbug" wrote:
    [*]I cannot open these DNG files using Adobe Camera RAW 8.8 as currently ships with Photoshop CC.


    Just to let you know, in my case if I export as DNG, and Photoshop CS6 (Camera RAW v8.8 also) has no problems opening the DNGs.

    The same with other apps that open DNGs but I don't have DxO so I cant comment on that.
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  • kc_shutterbug
    FWIW, I opened a support case on this issue this evening (it's 9:00pm-ish as I post this from Kansas City). I'll share the results as they come.
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  • SFA
    I don't use DNGs but thought I should use this thread as a reason to find out a little bit about the process.

    The first export attempt worked but something strange (possibly coincidental) happened and I could not open the output image in C1 due to what looked like some general Windows screen handling issues which I had not seen at all previously.

    Re-booted the machine and all was well.

    C1 can read the files BUT the image I used has a very overexposed section of sky that has far less detail in the DNG compared to the RAW file and is presented as a strong magenta colour. (The preview thumbnail looks OK).

    I don't have CC or LR at current versions but I tried opening the files with LightZone and Photoplus X7 both of which worked. However both also exhibited the strong magenta colour in the over exposed area. (And possibly further lack of detail there.)

    Interestingly the entire desktop screen handling once again went awry with running application icons being associated with the wrong application. Most odd and I am beginning to think there must be something deeper to investigate.



    Grant
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  • Keith Reeder
    [quote="Denis de Gannes" wrote:
    The DNG format is portrayed as a open standard that will "stand the test of time" so that your raw image data is stored safely for use in the future.

    And that's exactly what it is - but the very "open" nature of the thing means that software developers can choose to implement their DNG conversions in non-standard ways.

    Case in point - DxO Optics Pro can create DNGs, and yet it can't open and read its own DNG conversions.

    In other words - DNG is a great idea, royally stuffed by perverse implementation choices...
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  • SFA
    [quote="Keith Reeder" wrote:
    [quote="Denis de Gannes" wrote:
    The DNG format is portrayed as a open standard that will "stand the test of time" so that your raw image data is stored safely for use in the future.

    And that's exactly what it is - but the very "open" nature of the thing means that software developers can choose to implement their DNG conversions in non-standard ways.

    Case in point - DxO Optics Pro can create DNGs, and yet it can't open and read its own DNG conversions.

    In other words - DNG is a great idea, royally stuffed by perverse implementation choices...



    .... an diversifying "standards" - as is so often the case within the computer industry in general but especially the software industry.


    Grant
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