----- Original Message ----- From: "John Celio" Subject: Reducing Vignetting
> > Anyone want to venture a guess as to an aperture setting for that lens > that > would eliminate vignetting? I want to use it for my panos instead of my > 100 > or 300mm lenses, but I can't stitch photos properly unless there's an even > tone across the image. Not a guess on that lens, but try shooting a blank wall at every aperture and look at the files. You'll figure out pretty quick where it stops vignetting. > > Also, anyone know if there's an upper limit to the dimensions of a PSD > file? > I was trying to save my big stitch, but could only save in tiff or RAW > formats, for some reason. 300,000 by 300,000 pixels (CS2) Did you remember to convert to 8 bits? William Robb -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
