On Sun, Sep 20, 2009 at 4:26 PM, Godfrey DiGiorgi <[email protected]> wrote: > On Sun, Sep 20, 2009 at 12:17 PM, Larry Colen <[email protected]> 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.
I use B. :-) Dave > -- > Godfrey > Â godfreydigiorgi.posterous.com > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. > -- Documenting Life in Rural Ontario. www.caughtinmotion.com http://brooksinthecountry.blogspot.com/ York Region, Ontario, Canada -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
