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Re: ATM Compliant Focuser


Clive Milne wrote:
> 
> .... On the subject of cassegrain focussers.....
> 
>     I would be inclined to move my secondary before
> attempting to move the primary.... quite a bit lighter,

Hello Clive,

The optics for my 8" f10 Mak-Cass were made by Max Bray and the
secondary is actually another surface ground and polished into the
corrector itself. So, for my case, the corrector would have to move in
order to move the secondary. 

Donald Clement
San Diego/Running Springs