Quote:
Originally Posted by RickS
FLI? I use an Atlas on all my scopes. It's expensive and only has short travel but it has been very reliable, uses minimal back focus and carries a lot of weight. A PDF might be worth considering as a cheaper option.
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There is another focuser from FLI called the DF-2 - the smaller brother of the PDF. Good for lighter loads but same issue - very small travel distance but you do the coarse focus with the stock focuser in place anyway.
Another choice is the RoboFocus and all the various ones made by JMI.
Peter