Hi,
Feathertouch or moonlite focusers can have motors attached them, to this you can attach electronics that allow automated focusing. This is irrelevant for visual use but very usefull for imaging.
All up a computerised focuser is nearly 1000 AUD, based on a particular companies fine focuser, which has stuff like brakes and guaranteed thousands of an inch adjustment which is needed for automated computerised focussing.
For visual use save your bucks and get a 10:1 GSO, it will be great to use and wont bump the scope around so much when you try and focus.
Paul
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