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chromatic aberration - worse in digital?

Discussion in 'General Technical Discussion' started by GregR, Apr 5, 2007.

  1. GregR


    Feb 28, 2007

    In a similar approach to my last thread on WB issue in film, I'd like to know if CA is more pronounced in digital than film?

    I already know that CA is a factor of the lens and is a result of different light spectra not converging properly. But from what I've seen, the problem seems to be far more pronounced in digital camera's. Even cheap film compacts seem to be vitually free of CA. Why is this?
  2. Iliah


    Jan 29, 2005
    Media itself introduces an effect similar to CA. Good thin emulsions like Kodachrome show less then thick multi-layer emulsions. Digital adds edge effects because not all colours are recorded at the thin edges and because of the spills between adjacent pixels while recording high-contrast edges. Strength of edge effects in digital depends on the quality of conversion.
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