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Re: Lens and light questions
From
: LUDWIK KOWALSKI <
KOWALSKIL@alpha.montclair.edu
>
Date
: Tue, 14 Oct 1997 14:43:25 -0400 (EDT)
The idea of well defined principal planes is in conflict with the "lens
makers equation" which was used to calculate f1=f2. To use this equation
is to accept the "thin" lens approximation.
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