Hi List,

I've purchased a used Spectra Sure Sharp focuser yesterday and I am trying to
get some more information or a manual about it.
As far as I know Spectra doesn't exsist any longer so I guess I can't get any
clues from them!

I plan to use the Sure Sharp in connection with my LX 200 10" with GEG installed
and a Nikon F3 HP Camera. The only thing I know about the focuser is that it's
the "Nikon" version.

The focusers screen seems to take place in the same distance to the scope where
later during exposure the film is located. How can I judge that distance of the
focusers screen and the distance of the camera (film) is the same?

Thanks for all hints and Clear Skies,
Aike
http://www.astrophotography.de

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