Thread: Optical designs
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  #18  
Old 05-07-2007, 10:05 PM
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ballaratdragons (Ken)
The 'DRAGON MAN'

ballaratdragons is offline 		 
Join Date: Jan 2005
Location: In the Dark at Snake Valley, Victoria
Posts: 14,412
Here ya go Matt, lots to read.

Tal make a 200K and a 250K.

http://www.telescopes.ru/articles/article1.phtml
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