In a previous article I talked about building a simple variable-speed controller for a DC focus motor. In this article I’ll show how I put that controller to use on my recently purchased AstroTech 8” f/4 Imaging Newtonian.
Your local chapter of the Royal Astronomical Society of Canada
In a previous article I talked about building a simple variable-speed controller for a DC focus motor. In this article I’ll show how I put that controller to use on my recently purchased AstroTech 8” f/4 Imaging Newtonian.