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Clive Gibbons
Mostly Harmless
Reged: 05/26/05
Posts: 13420
Loc: Oort Cloud
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Re: Prism Diagonal
09/08/08 08:49 AM
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Just to reiterate...
a 45-degree erecting prism diagonal is an entirely different animal, compared to a 90-degree star diagonal prism. If you had a poor experience with an erecting prism (either 45 degree or 90 degree type), I'd strongly recommend that you try the simpler, traditional star diagonal prism. Much less chance of introducing stray reflections and other optical errors with that type.
--------------------
A few telescopes of dubious value.
Understanding wife, two curious cats and one sadly departed.
"Semper ubi sub ubi"
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