Thread: Is a focal ratio on a 80mm APO refractor of f/6.9 too slow?
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Old 22-11-2018, 09:27 AM
Jethro777 (Jethro)
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Jethro777 is offline 		 
Join Date: Oct 2012
Location: Brisbane
Posts: 131
I am on a severe budget, but I know I want APO
I intend to get this one. I have not bought it yet, but want it for observing first, then astro.

http://www.ksonoptics.com:8081/Product/PrdDtls/164/
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