* norman <[EMAIL PROTECTED]> [03-18-08 10:53]: > < snip > > > > > Unfortunately, ca is controlled in lense manufacture and design and > > has two solutions, software or better glass. Minimizing ca via > > technique would severly limit your scope, imo. > > I would expect most lenses these days to be made such that they do not > cause CA. From what I have read, there is another factor to be taken > into account, the chip responsible for recording the image. I gathered > that small chips are quite prone to CA and the larger the chip the lower > the CA and that it virtually disappears in the 1:1 (35 mm) format. The > camera I am using is an upper end, point and press so perhaps I need a > better camera with a larger chip.
While this may be correct to some extent, *glass* is a *major* factor. I can show you ca from my Nikon D3 (a full frame sensor) with a 70-300G Nikon lense, a *cheap* lense. -- Patrick Shanahan Plainfield, Indiana, USA HOG # US1244711 http://wahoo.no-ip.org Photo Album: http://wahoo.no-ip.org/gallery2 Registered Linux User #207535 @ http://counter.li.org _______________________________________________ Gimp-user mailing list Gimp-user@lists.XCF.Berkeley.EDU https://lists.XCF.Berkeley.EDU/mailman/listinfo/gimp-user