> So if the red channel only is blowing out detail, what do you do? > Underexpose? I back down the overall exposure until the red channel is within bounds.
>Don't you then loose all non-red detail? No they become somewhat under >exposed. In my cardinal images, It didn't take much correction to prevent red channel blow out, but yes doing this will potentially underexpose non red detail which you should be able to recover in post processing, whereas blown out red detail is gone if you don't bring it within bounds. Kenneth Waller http://tinyurl.com/272u2f ----- Original Message ----- From: "Dave Kennedy" <[EMAIL PROTECTED]> Subject: Re: PESO: Lens Neglect > So if the red channel only is blowing out detail, what do you do? > Underexpose? Don't you then loose all non-red detail? (never really > used the RGB channel histograms before). > > dk > > On 10/15/07, Kenneth Waller <[EMAIL PROTECTED]> wrote: >> Check the red channel of the histogram on the camera. >> I learned earlier this year, after shooting some cardinals, that even tho >> the overall histogram was within bounds, when I looked @ the red channel, >> I >> was blowing out red details. >> > > -- > http://www.pbase.com/davekennedy > Ottawa Valley, 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.
