I use ColorSynch for printing, so I'm not sure how this relates. I do all processing on a 16-bit file in Pro Photo Color Space, which is said to be an even wider gamut than Adobe 98. I save that original. If I'm going to print a file, I convert it to Generic RGB, then convert to 8 bit,. I select the profile for my paper in the print box, turn on Colorsynch management in the print box and hit the button. I'm printing on an Epson 2200. I get beautiful results this way. I'm not sure if I could do better some other way. But past experiments have always led me right back to this method. Paul On Sep 6, 2006, at 11:53 PM, Godfrey DiGiorgi wrote:
> I always do profile conversions in 16bit. You can see the histograms > jump more when you go to 8bit. > > If you tell Photoshop to let the printer do the color management, the > image data is reduced to 8bit on the way to the print driver *before* > profile conversion, meaning more shifts will be apparent. When > Photoshop is managing the process, it converts to 8bit as the final > step before sending to the driver, which is in pass through mode. > > Godfrey > > On Sep 6, 2006, at 3:35 PM, Paul Stenquist wrote: > >> I doubt that any is from the bit depth, unless Godfrey is emphasizing >> the importance of starting with a 16-bit file and doing all the >> processing in 16 bit. Whether PhotoShop converts to 8-bit before >> printing or while printing would seem to make no difference. >> Obviously, color space can make a difference with many images. >> Starting with a 16-bit file is important, but at some point PhotoShop >> has to convert. > > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
