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Old 21-02-2008, 09:09 PM
ausastronomer (John Bambury)
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Join Date: Mar 2005
Location: Shoalhaven Heads, NSW
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Quote:
Originally Posted by koputai View Post
IIRC
PL = Plossl
MA = Modified Abbe

Cheers,
Jason.
Hi Jason,

That is actually incorrect. MA stands for "Modified Achromat" which is a 3 element design very similar to and based on the original Kellner design.

Cheers,
John B
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