Quote:
Originally Posted by Satchmo
Market forces and fast dissemination of knowledge via the internet will push portable Dobs like 24" down to F3- the coma corrector is already there- so in the future ladders will be a thing of the past without resorting to long focus Cassegrain designs for eyepiece accessibility.
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F/3 is very hard to make. Will always be pricy cos no machine can do it. it must be done by hand and will take years to get it perfect.
