I guess the presence of any fluorescent light source illuminating a scene can make color judgements very difficult, if not impossible.
Any color shift produced by a lens (especially by a fine lens like yours) perhaps be only measured/detected under strictly controlled conditions. Bulent --------------------------------------------------------------------- http://patoloji.gen.tr http://celasun.wordpress.com/ http://www.flickr.com/photos/bc_the_path/ http://photo.net/photodb/user?user_id=2226822 http://www.pentaxphotogallery.com/artists/bulentcelasun 2014-03-12 22:13 GMT+02:00 Igor Roshchin <[email protected]>: > > > I've been using Pentax 31/1.8 Ltd lens for the past few months, and I > noticed that it tends to produce lots of red. I mean that the red > channel frequently appears to be somewhat over-saturated. > In many of those cases I can fix that in LR by dialing down the saturation > of the red channel under HSL menu in the "Develop" module (LR 3.6) > to about -10 -- -20. > > This is especially noticeable in extremely red lips and/or red faces > overall. > > Does anybody else observe this trend? > I wonder if it might be > 1. the specifics of my scenes (relatively low-light, mostly fluorescent > lights) > 2. the specifics of my lens. > 3. specifics of the LR 3.x process [that is taken care of in 5.x] > (I don't see this with other lenses) > 4. something else... > > Igor > > > > > -- > 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. -- 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.
