The grass was suggested from an IR website, and several others. It seemed to work, but i'll try the white card.
Oh the Hoya R72 Dave On 4/29/07, Digital Image Studio <[EMAIL PROTECTED]> wrote: > On 29/04/07, David J Brooks <[EMAIL PROTECTED]> wrote: > > Last year i did a custom WB on the istD, from sunny grass, and was > > getting either a magenta or sepia tint to the photos. The camera went > > in for repair, for faulty flash shots, and i re did the WB last > > weekend. It did not give me the tint or exposure i received last year. > > I don't know what filter you are referring to but custom WB should > really be done using a white/gray reference card under under the > illuminant. Pointing then camera at grass will create a severe colour > cast, even reflections from a colored shirt onto the reference card > may cause visible WB inaccuracies. > > -- > Rob Studdert > HURSTVILLE AUSTRALIA > Tel +61-2-9554-4110 UTC(GMT) +10 Hours > [EMAIL PROTECTED] > http://picasaweb.google.com/distudio/PESO > http://home.swiftdsl.com.au/~distudio//publications/ > Pentax user since 1986, PDMLer since 1998 > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net > -- Equine Photography www.caughtinmotion.com http://brooksinthecountry.blogspot.com/ Ontario Canada -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net
