Focusers Websites:

  • dgoptical.com

    D & G Optical - High quality lenses, mirrors and components for the optical...

    D & G Optical is a provider of high quality lenses, mirrors and components for the optical industry. Refractors, Objective lenses, optical assembly units, focusers and more are...

  • 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...