If you have an Xrite Passport kit, you could always take it out of your bag and snap a quick shot of the color checker in the light for calibration purposes later. They're very compact.
On Tue, Apr 10, 2012 at 9:08 AM, Larry Colen <[email protected]> wrote: > > On Apr 10, 2012, at 8:44 AM, Godfrey DiGiorgi wrote: > >> Bruce echoed my thoughts too. This seems a weird path to normal color. >> >> If I were doing this sort of thing, I'd make a couple of shots of a >> Macbeth Color Checker and use the Passport software to generate a >> custom camera calibration. Fluorescent lighting always has a peculiar >> spectral signature. > > Sometimes you just don't have a choice about the light. The woman wanted > me to get photos of her fishnets, right then and there. I grabbed my camera > out of the car and did what I could. Sometimes I get to work with the light, > sometimes I have to fight in into submission. > > I suppose I could have grabbed the flash as well, but that would have been > even more work. I didn't expect it to correct nearly as well as it did. > >> >> G >> >> On Tue, Apr 10, 2012 at 6:23 AM, Bruce Walker <[email protected]> wrote: >>> Explain to me this, Larry. Why go to the trouble of taking a >>> fluorescent light, already with a green cast, purposely adding a green >>> gel to it making the scene *very* green, taking shots, then using >>> post-processing to remove all that at least half intentional >>> colour-casting? >>> >>> Just to see if it can be done? :-) >>> >>> Why not simply use straight un-gelled light to begin with? Or if the >>> gel is there, presumably the colour cast is intended, so why not >>> render the scene as the participants observed? >>> >>> >>> On Tue, Apr 10, 2012 at 5:30 AM, Larry Colen <[email protected]> wrote: >>>> One of the things that I'm hoping to get out of LR4 is a bit more range in >>>> adjusting color. I was asked to get some shots tonight under fluorescent >>>> lights with green gels on them. >>>> >>>> This is what one looked like straight out of the camera: >>>> http://www.flickr.com/photos/ellarsee/7063876393/in/photostream >>>> >>>> Using auto white balance, which tweaked the slider all of the way to >>>> magenta, actually got me pretty close, but not quite there: >>>> http://www.flickr.com/photos/ellarsee/6917799356/in/photostream >>>> >>>> So, I exported it as tiff, reimported it to lightroom, and did another >>>> round of automatic white balance on it: >>>> http://www.flickr.com/photos/ellarsee/6917799600/in/photostream >>>> >>>> -- >>>> Larry Colen [email protected] sent from i4est >>>> >>>> >>>> >>>> >>>> >>>> -- >>>> 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. >>> >>> >>> >>> -- >>> -bmw >>> >>> -- >>> 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. >> >> >> >> -- >> Godfrey >> 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. > > -- > Larry Colen [email protected] sent from i4est > > > > > > -- > 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. -- Godfrey 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.
