On Sun, Sep 20, 2009 at 12:17 PM, Larry Colen <l...@red4est.com> wrote: > I went to a new dance venue last night and the blues room was lit with > orange rope lights. In short, the red channel is fairly well exposed, > but the others are a couple of stops under. > > As such, there's a lot of noise in the blue and green channels. > In lightroom, is there a way to convert to black and white either just using > the red channel, or better yet, using the blue and green in such a way > that it minimizes the noise?
Sure: A: Hit the Grayscale button in the Develop module, then go into the Grayscale Channel Mixer and turn down the blue/green channel sliders, pull up the yellow-orange-red sliders. B: Stay in Color mode, go into the HSL panels ... "All" ... Set saturation on all channels to -100. Then adjust Luminosity sliders to present the best data. -- Godfrey godfreydigiorgi.posterous.com -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
