Starlight Instruments TuBLUG-2″ Newtonian Collimator

 The Howie Glatter 2-Inch TuBLUG Newtonian Laser Collimator: When it comes to lasers and collimation, one of the most trusted names in the business is guru Howie Glatter; for his uncompromising quality and dedication to above average products. 

• Use with a regular laser collimator in single beam mode to perform Barlowed laser Newtonian primary mirror alignment on closed tube reflectors.
• The Howie Glatter TuBLUG is inserted into the focuser tube and does not attach to the collimator,
• Matte-white 45-degree face and anti-reflection coated Barlow lens mounted in a central axial hole.
• The Howie Glatter TuBLUG is easily visible from primary adjustment position and can be turned 180-degrees to face the front and has a cut-out.

WARNING: AVOID DIRECT OR MIRROR REFLECTED EYE EXPOSURE TO LASER BEAM

Instructions can be downloaded here