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Any amateur mirror makers still alive in Oz/Nz?
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04-02-2012, 10:18 AM
Satchmo
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Join Date: Dec 2005
Location: Sydney
Posts: 1,878
Bob , for a first 8" I'd recommend F7.5 ( or even F8) as the 60" focus is a good eyepiece height for standing and the mirror will only require a small amount of parabolising.
Satchmo
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