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Old 16-01-2014, 10:44 PM
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alpal is offline
Join Date: Jan 2012
Location: Melbourne
Posts: 3,073
Originally Posted by RickS View Post

The standard (Optec TCF-S3) focuser on the Ceravolo is pretty good but I like the Atlas because I can use the same image train on my other scopes, the step size is tiny allowing very precise focusing and it also gives me the extra backfocus needed to incorporate more gadgets (at f/4.9 I don't think there is even room for an OAG with the std focuser).

OK Rick - thanks -
the same old story - never enough back focus.

Still the GSO 16" will be interesting to follow.
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