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Bob's Knobs Secondary Collimation Knobs for Orion OD Newtonians & C6, C8, and C10- CNSEC35

  • These 35 mm long 4-Vane Phillips Secondary Collimation Knobs from Bob's Knobs fit a wide range of mass produced Newtonian reflector telescopes such as the Meade LightBridge and Astro-Tech Imaging Newtonian.
  • Each knob in this set measures 13 mm or 1/2" in diameter.
  • Made from black plastic with stainless steel threads.
  • Compatible with Celestron 6", 8", and 10" Newtonian reflectors as well, whether they contain GoTo electronics or not.

Bob's Knobs Collimation Knobs for Orion SkyQuest XT Secondary with 25 mm Screw Length - CNSEC25

  • These Bob's Knobs collimation knobs fit Orion SkyQuest XT Newtonian reflector telescopes with 25 mm long factory collimation screws.
  • Each knob in this set measures 13 mm or 1/2" in diameter.
  • Made from black plastic with stainless steel threads.
  • Compatible with 6", 8", 10", 12", and 16" Orion SkyQuest XT reflectors with 4-vane spider secondary, as well as older model 6", 8", and 10" Orion SkyQuest XT reflectors with 3-vane spider secondary.

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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