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RAJAH235
25-01-2006, 06:23 AM
Hiya all, Don't know if this has been posted before so >
http://www.saao.ac.za/~wpk/atm.html
Lots of info down the bottom re; Stepper motors/control etc
HTH. :D L.

jackenau
25-01-2006, 12:52 PM
Have not seen that link before, lots of useful information.

:) Ken M

Merlin66
25-01-2006, 01:36 PM
The link at the bottom of the page to Stephen Tonkins " A Better Barn Door mounting" contains one of the best discriptions I've seen for this very simple but VERY effective mountings.
It can track for up to an hour with NO visible error on a 135mm lens!!!!

Just thought...... why could it not be redesigned to support a telescope!!!!!