Re: Chromatic abberation + IR

[Wayde Allen <allen@xxxxxxxxxxxxxxxx>]

On Tue, 22 Apr 1997 pbadcock@xxxxxxxxxxxxxxx wrote:

> one, well I think I did.  I'm assuming that the majority of your lenses
> these days have special coatings on them to avoid chromatic abberation
> in the visible range, This attempts to correct for the fact that light
> of different colors refracts through the lens(es) at different angles.

As far as I know, the coatings on lenses do not correct for chromatic
abberation.  Rather they are there to reduce internal reflection and lens
flare.  Chromatic abberation is I believe dependent on the lens design
rather than the antireflection coatings used.

- Wayde
  (allen@xxxxxxxxxxxxxxxx) 


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