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SI-TUBLUG2---TuBLUG-2" Newtonian Collimator

SI-TUBLUG2---TuBLUG-2" Newtonian Collimator
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Price: $115.00
Model: SI-TUBLUG2
Average Rating: Not Rated

  • 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,

     
  • Rubber O-ring retainment base, 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.

     
  • Supplied shim kit to ensure perfect fit in focuser tube for absolute, precise alignment
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    Howie Glatter 2" TuBLUG Newtonian Laser Collimator

    When it comes to lasers and collimation, one of the most trusted names in the business is guru Howie Glatter. His uncompromising quality and dedication to above average products, not only put his name above the rest - but in demand as the finest available on today's market. Usually a manufacturer doesn't take the time to explain to a customer exactly why their product excels over others - or why it performs better - but not Howie. Here's what he has to say about his new Howie Glatter 2" TuBLUG Newtonian Laser Collimator:

    "The Blug is my 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, inside the tube or upper cage, and it is retained by an O-ring in the Blug base. It has a matte-white 45 degree face as a screen, and a small anti-reflection coated Barlow lens mounted in a central axial hole.

    Howie Glatter Laser Collimators


    On a truss tube dob, the 45 degree face of the Blug is easily visible from primary adjustment position. You watch the target shadow move on the Blug face as you turn the primary adjustment screws. With a solid tube scope, the Blug can be turned 180 degrees to face the front, and the target shadow will be seen easily from the front of the scope. I supply a shim kit with the Blug for use if the drawtube inner end is larger than the eyepiece nominal size. The plastic shim strips can be inserted under the o-ring, and in this way drawtubes as much as 1/10" oversize can be accommodated.The Blug extends 3/8" into the back end of the drawtube, so the laser collimator in the eyepiece position must not extend forward far enough to interfere with the Blug, or it will not seat properly. After the secondary mirror angular alignment is adjusted with the single beam laser collimator, just insert the Blug into the back end of the drawtube, and adjust the primary mirror alignment to center the collimation target shadow on the Blug face."

    Easy... Precise... And Accurate. What more could you ask?

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