View Single Post
Old 16-01-2014, 10:32 PM
RickS's Avatar
RickS (Rick)
PI cult recruiter

RickS is offline
Join Date: Apr 2010
Location: Brisbane
Posts: 10,584
Originally Posted by alpal View Post
I am surprised you needed an Atlas focuser.
as per here:

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).

Reply With Quote