Schmidt Cassegrain Websites:

  • clementfocuser.com

    Clement Focuser

    Clement Focuser is a new type of telescope focuser, patented, low profile, compliant, long travel, non-rotating, precision, no grease, no image shift, works in harsh environment...

  • skyinsight.net

    Your Insight into the Sky and Astronomy

    Astromomy resources for amateur astronomers and astronomy. The Astronomy Search Tool with over half-a-million messages.