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There is also a guy in the UK that has a great kit for $103 US shipped. it is a auto focuser with tempature compensation.
Thanks have contacted Ian King. No reply from Greg Marshall yet. I need to have a system that will let me focus my main and a guide scope remotely> Hopefully with a cost that is NOT "sky high."
Hey guys, sorry I just now noticed this section. The best way to contact me is my "business" e-mail: firstname.lastname@example.org.
PerfectStar works with 12V unipolar steppers, which is the same as the RoboFocus and Moonlight systems. And, for the most part, the connector is compatible, the difference is that I use a different (more accurate) kind of temperature sensor.
I had not seen the Ian King unit before, so thanks for the link. Please let me know what you think of his design versus PerfectStar.