2" Newtonian Collimator (SI-UNI-BLUG)

Description In the past, Howie Glatter made separate Barlowed collimation plugs for Feather Touch which he called the FLUG and non-Feather Touch in which he called the BLUG.  Starlight Instruments made a slight design change which now allows the same Barlowed collimation plug on both Feather Touch and Non-Feather Touch focusers.  We now call this part the Uni-Blug and now is allows astromers with multiple scopes to use the same part on their scopes. The Uni-Blug is used together with a regular single beam laser collimator to adjust the angular alignment of the primary mirror of a Newtonian telescope. "The Uni-Blug is the newest Newtonian collimation accessory (Blug is short for Barlowed collimation plug). The Blug is used together with a regular laser collimator in single beam mode to perform Barlowed laser Newtonian primary mirror alignment. The Blug does not attach to the collimator like my regular self-Barlow attachment. It is inserted in the inner end of the focuser drawtube, insid