ASA Laser Collimator Set

ASA Laser Collimator Set
Item # A2-LCOLL
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  • The A2-LCOLL item is the Laser Collimator Tool recommended by ASA for adjusting their Astrographs.
  • Single bright red beam for night time or daylight collimation use.
  • The ASA Laser Collimator Set incorporates a solid state laser diode that does not fade or change with time and use.
  • Factory-aligned to 15 arcseconds providing 0.1 inch accuracy at a distance of 20 feet.
  • This Laser Collimator tool by ASA is shock resistant to keep its alignment - even when accidently dropped.
  • Includes one CR123A lithium cell battery, 1mm aperture stop, and a case.


ASA Laser Collimator Set

The ASA Laser Collimator Set is the ASA-recommended Laser Collimator Tool, which has proven to be an optimal tool for use when collimating their astrographs. This is a self-contained laser light source in a precision made aluminum barrel, which perfectly fits into a barrel adapter for a 2" OD eyepiece. This Laser Collimator Set by ASA is a Howie Glatter precision product.

The beam from all red diode lasers used in collimators is fuzzy-edged and elliptical in cross-section. When collimating, you sometimes must judge the location of the center of the spot by visual means. To improve collimating precision, the collimator tool has a removable accessory plastic aperture stop having a 1mm hole, which push-fits into the laser aperture. It produces a tiny, circular beam impact which allows more accurate alignment. With the stop inserted, the beam impact at a distance of one meter or more looks like a star diffraction pattern, with a central dot surrounded by diffraction rings. The surrounding rings can help you to center the beam very accurately.

Customer Note: This ASA Laser Collimator Set is a Special Order item and it will ship from Austria. ASA Products are priced and shipped from Austria. Prices may vary without notice as the currency exchange rate for the EURO and USD fluctuates slightly. Shipping estimates and most current pricing will be provided for you at the time of order.

Additional Information

Additional Information

Manufacturer ASA
Barrel Size 2"
For What Telescopes? Newtonians
Warranty 2 Year Warranty
Included Items

Included Items

  • ASA Laser Collimator Tool
  • Battery
  • Aperture Stop
  • Plastic Case
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