Bill and Godfrey,
Thank you for your response and suggestions.
I may not have written it clearly: I chose DNG format version to be 4.6
because that's the version of Camera Raw that is with CS3 (it was the last
version of Camera Raw for CS3).
So, the logic is simple: if I am saving things into a DNG v. 4.6. it
should be opened in Camera Raw 4.6 without any loss.
(And these version has nothing to do with LR 4 or 5 per se.)
Godfrey, as for the edits: almost all edits are present.
It's only the local mask/brush adjustments that are not preserved.
So, either, as you said, 4.6 DNG/Camera Raw does not support those local
adjustments, or LR doesn't write them to the file.
When you are suggesting to check what is saved with Exiftool:
Are those local adjustments saved as readable instructions (similar to
those in a PostScript format)?
Thank you,
Igor
Bill Wed, 17 Dec 2014 20:10:34 -0800 wrote:
The DNG that Lightroom and Photoshop export are not the same as camera DNG
files. Adobe really should have come up with a different acronym for
camera DNGs, since Photoshop has been using a DNG save as option since
well before camera DNGs came out. It wouldn't surprise me at all if there
has been feature creep between LR 4 and 5, so you might well be asking it
to do something unsupported.
Your best answer to this might be on one of the Adobe forums.
bill
Godfrey DiGiorgi Wed, 17 Dec 2014 20:25:37 -0800 wrote:
I suspect your version of PS CS3 + Camera Raw is simply too old to be
compatible with the output of LR 4 or 5. Since Camera Raw has certainly
been developed further than PS CS3 and Camera Raw v2.x or whatever it is,
you can't really expect all the LR 4 or 5 adjustments (which match Camera
Raw 5 or 6) to be backwards compatible to too old a Camera Raw plug-in.
I opened a raw file in LR 5.7, applied a preset with a bunch of radical
changes to it, and exported it as a DNG file compatible to Camera 7.1 and
later. I then opened it in PS-CS5.1+Camera Raw 6.7. All edits were in
place.
You can check what adjustments are actually in the file by using EXIFtool
to output the original raw file's data and then the exported DNG file's
data.
The fact that your old PS CS3+Camera Raw can open the DNG at all shows a
basic level of universality. Processing adjustments are dependent upon the
version of Camera Raw, not DNG.
Godfrey
On Wed, 17 Dec 2014, Igor PDML-StR wrote:
I think I encountered a weird bug in LR today.
I edited photos in LR and exported them into DNG v 4.6, which is the version
compatible with the old PS CS3 that I have.
When I opened that folder in Bridge, I found that the "local" changes
(brush/mask adjustments) done in LR 5.6 have not showed up.
So, either DNG is not supporting local adjustments, - in ver. 4.6 or at all,
or LR is exporting incomplete information.
The worst thing that neither LR, nor PS Bridge complain about any
incompatibility. So, this makes me uncertain: what other information is not
preserved. I guess I will have to resort to exporting directly into PSD.
Oh, well, so much for the "universality" of DNG.
Igor
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