Archived posting to the Leica Users Group, 2012/06/08
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Ken I have had exactly the same problem. I don't know the answer (so I am not much help) but I do know the problem. I was working yesterday on a wedding image and the edited tiff file looked awful but when saved as a jpeg it was OK. Reasons I don't know. Gerry Gerry Walden +44 (0)23 8046 3076 or +44 (0)797 287 7932 www.gwpics.com On 9 Jun 2012, at 01:36, Ken Carney wrote: > Geoff, > > Of course it is difficult to follow - it was written by a C.P.A. Try > reading some of our financial statements. I tried the same thing using LR > 3.6 and PS 4 and PS 5.1 - same thing. If I open (edit in) PS and save the > tif, viewing the two in LR (raw file and tif) the tif is much lighter, > actually blown out. If I choose "develop" in LR for the tif, the > brightness setting is much higher than the CR2 I chose to "edit in PS". > As I suspected from the beginning, this is obviously a conspiracy to > require an upgrade to CS6. Thanks much for your comments. > > Ken > > On 6/8/2012 5:13 PM, Geoff Hopkinson wrote: >> Ken, that's difficult to follow! I might be able to shed some light on >> some >> of it at least. >> PS 5.1 uses ACR6.7 which does not support all of the functions of LR4.1. >> It >> does not understand some possible raw adjustments and ignores them. >> Photoshop CS6 uses the same raw engine as LR4.1. The current version is >> Adobe Camera Raw 7.1xxx >> Possibly there may be some profile changes for your Canon Raw files too? >> Canon of course is a major client target and updates for Canon would be a >> high priority for Adobe. I'm sure it doesn't hurt that Mr Knoll is a Canon >> user ;-) >> >> The working colour space in the raw converter is not the same thing as a >> colour space assigned to converted files (such as TIFFs). I think it's >> linear anyway, that is needs a big curve applied to become something we >> easily relate to. But if you export a version as a TIFF you can choose to >> make that Pro Photo as you did to preserve the maximum information. Keep >> in >> mind that you can't see all of the information in there on your monitor >> nor >> in a print. >> For most monitors sRGB is more likely with a few high end ones very close >> to all of Adobe RGB which is very largely covered by good inkjet printers >> too. >> >> >> On Saturday, 9 June 2012, Ken Carney wrote: >> >>> I have seen a number of references to this problem in the Adobe forum, >>> but >>> have not seen an answer to it. Hopefully the wisdom of the LUG will bail >>> me out once more. I can import a raw file (CR2) into LR 4.1, and then >>> select edit in PS 5.1. If I save the PS file (as a tif), then in LR the >>> CR2 and the saved tif files look quite different. Sometimes the tif will >>> be lighter, sometimes darker. If I make any adjustments in PS, then the >>> saved tif can look very different from the CR2 file. The odd thing is >>> that >>> when I look at the file as opened in PS (edit in PS) without any >>> adjustments, it looks the same as the CR2 file in LR. So something is >>> happening when I save the PS file (if I just open the saved tif in PS, >>> sure >>> enough it looks just like the saved tif file as seen in LR, i.e., >>> different >>> from the CR2 file). I have ACR 6.7 which is supposed to be compatible >>> with LR 4.1 and both programs use ProPhoto as the color space. Sorry for >>> the long question, but does anyone know what I am missing? Thanks much, >>> >>> Ken >>> >>> ______________________________**_________________ >>> Leica Users Group. >>> See >>> http://leica-users.org/**mailman/listinfo/lug<http://leica-users.org/mailman/listinfo/lug>for >>> more information >>> >> > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information