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Re: [Phys-l] paraxial approximation

Not quick if one has only an apple.

bc suffers.


On 2008, Apr 10, , at 08:19, Bob Sciamanda wrote:
Karl,
The no approximation ray tracing program "Snell Trace" is a quick way to
show these effects.
Links to Snell Trace (free) are at my web site (below).