Description
- 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 focusers’ draw tube in which the laser collimator then attaches to the otherside of the TuBLUG
- 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.
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