On Tue, Apr 28, 2009 at 3:16 PM, Timbah! <tim...@clancode.hu> wrote: > Urban Acid is a Photoshop action (or a Lightroom template) that makes the > photo this blue-greenish color and a bit 'washed'. > HDR stands for High Dynamic Range, which means the photo is made from more > than exposures (+2EV, 0, -2EV in this case). To be viewable on our monitors > (which are 8 bit while HDR is 32 bit / channel) there is a technique called > Tone Mapping. So while it's called HDR picture is just a Tone Mapped 'Normal > Dynamic Range' picture :) HDRs are mostly viewed in special programs that > can dynamically change the 'gamma' of the picture.
Thanks. cheers, frank -- "Sharpness is a bourgeois concept." -Henri Cartier-Bresson -- 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.
