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Howie Glatter TuBLUG Newtonian Collimator - 1.25" - SI-TUBLUG125

SKU: SLI-SI-TUBLUG125
  • This Howie Glatter 1.25" TuBLUG makes collimating the primary mirror from the back of your solid tube Newtonian reflector telescope much easier.
  • Suitable for use with any centered laser collimator.
  • Inserts directly into any 1.25" size focuser tube.
  • A Barlow lens featuring anti-reflection coatings is mounted in a hole located at the center of a 45 degree Matte White surface.
  • Easily visible from the primary adjustment position with 180 degree rotation capability and cut-out.
$140.00
 

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

SKU: SLI-SI-TUBLUG2
  • This Howie Glatter 2" TuBLUG makes collimating the primary mirror from the back of your solid tube Newtonian reflector telescope much easier.
  • Suitable for use with any centered laser collimator.
  • Inserts directly into any 2" size focuser tube.
  • A Barlow lens featuring anti-reflection coatings is mounted in a hole located at the center of a 45 degree Matte White surface.
  • Easily visible from the primary adjustment position with 180 degree rotation capability and cut-out.
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$210.00
 

Variable Laser Brightness Cap/Switch Upgrade for Howie Glatter Laser Collimators - SI-VLB

SKU: SLI-SI-VLB
  • Variable Laser Brightness battery cap/switch upgrade.
  • Works with Howie Glatter laser collimators.
  • Reduces laser brightness for better collimation precision in secondary adjustments.
$50.00
 

Howie Glatter Self-Barlow Attachment - SI-BARRATT

SKU: SLI-SI-BARRATT
  • This Howie Glatter Self-Barlow Attachment works with Howie Glatter collimators to provide a condensed means of Barlow-collimating.
  • Comprised of a white screened disc with a tiny, built-in Barlow lens located at the center.
  • With this Self-Barlow Attachment, a shadow is projected against the screen in front of the disc at the focuser end.
  • Please note that the use of this device may make adjusting the mirror at the back of the telescope difficult in some instances, especially with long focal length reflectors.
$70.00
 

Howie Glatter Barlowed Collimation Plug - SI-BLUG

SKU: SLI-SI-BLUG
  • This Howie Glatter Barlowed Collimation Plug, or BLUG, is designed to help users align Newtonian reflector telescope primary mirrors using accurate Barlowed laser collimation.
  • Works in conjunction with a regular single beam laser collimator.
  • Installs by being placed in the end of the focuser drawtube with an O-ring holding it in place.
  • The Blug’s surface consists of a 45 degree white screen visible from the adjustment position.
$112.50
 

Howie Glatter Barlowed Collimation Plug for Feather Touch Focusers - SI-FLUG

SKU: SLI-SI-FLUG
  • Howie Glatter Barlowed Collimation Plug made specifically for the Feather Touch focuser.
  • This "Flug" removes the need for an adapter O-ring to serve as a spacer.
  • Works in conjunction with a regular single beam laser collimator.
  • Installs by being placed in the end of the focuser drawtube with an O-ring holding it in place.
  • Features a 45 degree white screen visible from the adjustment position.
$112.50
 

Howie Glatter Holographic Attachment for Collimators - SI-HOLA

SKU: SLI-SI-HOLA
  • Consisting of a white front surface, this Holographic Attachment screws into the separately available Howie Glatter laser collimator.
  • Available in both square grid and crosshair patterns.
  • This attachment incorporates an optical element that diffracts most of the light from the laser collimator into a symmetrical pattern surrounding the central beam.
  • The crosshair pattern is best suited for when you want to align the returning beam on the collimator’s face.
  • The 10x10 square grid pattern enables optic centering as fast as f/2.7, making it an excellent option for general use.
$70.00
 

High Point Scientific carries the most popular telescope brands among astronomy enthusiasts, including Celestron, Baader Planetarium, Orion, and many more. We also design our own astronomy products under the High Point brand, to give you the best selection of products at the price you’re looking for.


We work directly with manufacturers to give you a wide selection of products from many other brands like Meade, TeleVue, Explore Scientific, Coronado, and iOptron. While we have dedicated many hours researching what telescope brands you - our customers - are looking for, we encourage you to explore up and coming brands on our website such as William Optics, Pentax, SkyWatcher, and Stellarvue.


High Point Scientific offers many of the latest brands to choose from for telescope accessories. Just a few of these brands include AstroZap, ADM Accessories, Losmandy, Takahashi, and JMI. It’s important to make sure you have the correct accessories for your aspirations and budget and our experts are here to make sure you find them.


Astro-imaging is a growing industry, not just for photographers, but for astronomy hobbyists as well. With so many quality, affordable products, it’s easy to see why! Brands like QSI, ZWO, and QHY have designed some of the best astrophotography cameras in the industry, and we have them right here at High Point!

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