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[ATM] prices

ATM list

Here is a list of sites that has spiders and secondaries for sale:

SPIDER
http://www3.bc.sympatico.ca/gwolanski/SPIDERS.HTM

Here they have a design for 20" telescopes for about $88 


SECONDARY
http://www.fpi-protostar.com/pyrex.htm

Here at this site you can get a 3.1" secondary accurate to 1/10 wave for $175 

http://www.antaresoptics.com/SecEM.html

Here you can get a 3.1" secondary accurate to 1/12 wave for $149.


Thank you for your help
David Williams
Bye

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