> From: Julian Vrieslander > > Not exactly a new idea. The retina in human eyes uses a > somewhat similar scheme. Cone cells are selectively tuned to > red, green, and blue light. The brain integrates the outputs > of cones to produce our sensations of color. Rod cells are > optimized for low light levels (sensitive to a single > quantum) and their outputs provide luminance information. > Mother Nature has been in this business a lot longer than Kodak. > > The analogy between retina and the new Kodak sensor is not > perfect. The relative concentrations of rods and cones > varies across the retina. And if I remember right, rods are > not truly panchromatic.
Also, I think rods are pretty much saturated in normal daylight conditions, so the brain ignores them. In night vision, the cones are putting out zero, so the brain ignores them. -- Ciao, Paul D. DeRocco Paul mailto:[EMAIL PROTECTED] ---------------------------------------------------------------------------------------- Unsubscribe by mail to [EMAIL PROTECTED], with 'unsubscribe filmscanners' or 'unsubscribe filmscanners_digest' (as appropriate) in the message title or body
