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Old 02-02-2022, 09:41 PM
Hans Tucker (Hans)
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Hans Tucker is offline
 
Join Date: Jul 2008
Location: Melbourne
Posts: 2,476
Using different sized secondaries

Apologies in advanced for the stupid question. Can you use different size secondary mirrors on a Newtonian? e.g. Smaller secondary for Planets and larger for DSO's. Is there any advantage to this?
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