Thread: [SOLD] 20" F5 Primary/3.5" Secondary Mirror Set
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Old 16-04-2010, 07:38 PM
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Satchmo
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Join Date: Dec 2005
Location: Sydney
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An absolutely fantastic buy for someone wanting to realise their dream to build a large aperture high resolution telescope from quality optical surface and fine annealed low expansion glass The secondary alone would be worth $500.