Archived posting to the Leica Users Group, 2010/01/11
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Hi Spencer, Wow, this is a tough one. Original - <http://www.aotera.org/tmp/ice.jpg> With my adjustment - <http://farm5.static.flickr.com/4037/4267753913_c31ba96125_b.jpg> This is what I did: a) duplicate layer b) desaturate RED, and Magenta c) Overlay the top layer and adjust opacity The top part looks more B&W. Not sure how it looks on your screen. -Pasvorn On Mon, Jan 11, 2010 at 8:26 AM, Spencer Cheng <spencer at aotera.org> wrote: > Folks, > > I've been working on scanning some Kodachrome slides using mostly Vuescan > as that is the one I am most familiar with. I've calibrated my scanner > with an IT8 target I bought from Silverfast in both Vuescan and > Silverfast. I've calibrated my MacBook Pro's screen with a Datacolor > doohickey. > > One group of slide has been very hard to scan. I can't seem to get rid of > an magenta'ish cast. The pictures was shot on an overcast day [Edith > Cavell glacier, Jasper National Park (Canada)]. The original slide has a > beautiful milky green tone to the water and the snow banks was almost > white - definitely not magenta. > > If I correct for the snow, the water turns grey. If I correct for the > water, the magenta cast gets worse. > > I've tried this in both Silverfast and Vuescan. Both gives similar > results. It's driving me crazy. > > Here is an example of a very bad scan from Silverfast. > > <http://www.aotera.org/tmp/ice.jpg> > > Any suggestions? > > Regards, > Spencer > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information >