Archived posting to the Leica Users Group, 2010/03/22
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]yes, now for CS4 try Adobe Camera Raw 5.6 support for G1...download and install, should work OK, Steve On Mar 22, 2010, at 10:12 PM, Vince Passaro wrote: > Well. > > I fooled around until far far too late an hour last night and learned some > things, one of which is CS4 can't open G1 raw files. Further, when I opened > a few G1 jpegs in CS4 Camera Raw and messed around with them -- I even > taught myself how to use lasso tool, how to smooth out my terrible efforts > with lasso tool, and reduce the glare on a particular portion of my photo > that had light bouncing off some glass -- these files saved as anywhere > from > 25MB to 60 (!!!) MB in size. To mount them on the lug gallery I had to save > for web, which made them into 5MB tiff files but also stripped away some > layers of the work I'd done and rendered what had been clear and deep now > noisy and fake looking. > > But I posted them anyway for your helpful comments and instructions. > http://gallery.leica-users.org/v/toast+eatin_+bog+man/Photoshop+Altamont/. > Two 'Photoshopped" files and one prior for comparison. > > Meanwhile, I went looking for why CS4 could nae open me wee G1 raw files, > and so found an Adobe update/patch to download (Camera Raw 5.2, equiv to > whats in the LR 2.2 beta I believe), downloaded it, but also read the > following asterisk which I wonder if one of you might take a stab at > explaining to me. It appears to indicate that the D-Lux-4 and various > Panasonic models (two of which I own, happy me) have a proprietary raw > program which Adobe cannot really deal with yet so they advise one not, for > now. If one does, files will be three times the size of other converted raw > files... because of a tripling of the mosaicing or demosaicing or however > it > works. Any comments on this wil be MOST helpful. Here's the text: > > **With the release of Camera Raw 5.2 (and upcoming release of Adobe > Photoshop? Lightroom? 2.2), there is an important exception in DNG file > handling for the Panasonic DMC-LX3, Panasonic DMC-FX150, Panasonic > DMC-FZ28, > Panasonic DMC-G1, and Leica D-LUX 4. For those who choose to convert these > native, proprietary files to the DNG file format, a linear DNG format is > the > only conversion option available at this time. A linear DNG file has gone > through a demosaic process that converts a single mosaic layer of red, > green, and blue channel information into three distinct layers, one for > each > channel. The resulting linear DNG file is approximately three times the > size > of a mosaic DNG file or the original proprietary file format. > > This exception is a temporary solution to help ensure that Panasonic's and > Leica's intended image rendering from their proprietary raw file format is > applied to an image when converted DNG files are viewed in third-party > software titles. The same image-rendering process is applied automatically > in Camera Raw 5.2 and Photoshop Lightroom 2.2 when viewing the original > proprietary raw file format. > > In a future release, Adobe plans to update the DNG specification to include > an option to embed metadata-based representations of the lens compensations > in the DNG file, allowing a mosaic DNG conversion. In the interim, Adobe > recommends only converting these files to DNG to allow compatibility with > third-party raw converters, previous versions of the Camera Raw plug-in, or > previous versions of Photoshop Lightroom.* > . > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information