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  • Bob's Knobs Bob's Knobs Astro Tech Collimation Knobs - Secondary Mirror - AT10RC
    $25.95 $20.76
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  • Bob's Knobs Bob's Knobs Astro Tech AT12RC Collimation Knobs - Secondary Mirror - AT12RC
    $25.95 $20.76
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  • Bob's Knobs Bob's Knobs Astro Tech AT6RC & AT8RC Collimation Knobs - Secondary Mirror - AT8RC
    $25.95
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  • Bob's Knobs Bob's Knobs Celestron 11" SCT f/10 Metric Collimation Knobs - Black Oxide - C11METBO
    $20.95
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  • Bob's Knobs Bob's Knobs Celestron 11" SCT f/10 Collimation Knobs - Standard Secondary - C11STD
    $20.95
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  • Bob's Knobs Bob's Knobs Celestron 11" SCT f/10 Fastar Standard Collimation Knobs - C11STDFST
    $19.95
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  • Bob's Knobs Bob's Knobs Celestron 14" SCT f/11 Collimation Knobs - Standard Phillips - C14STDPHI
    $20.95 $16.76
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  • Bob's Knobs Bob's Knobs Celestron 14" SCT f/11 Collimation Knobs Set Screw - C14SET
    $19.95
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  • Bob's Knobs Bob's Knobs Celestron 5" SCT f/10 Metric Secondary Collimation Knobs - Black Oxide - C5METBO
    $20.95
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  • Bob's Knobs Bob's Knobs Celestron 5" SCT Collimation Knobs Standard Secondary - C5STD
    $18.95
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  • Bob's Knobs Bob's Knobs Celestron 6" SCT Collimation Knobs Secondary - Black Oxide - C6BO
    $20.95
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  • Bob's Knobs Bob's Knobs Celestron 8" EdgeHD Collimation Knobs - Black Oxide - C8EDGBO
    $20.95
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  • Bob's Knobs Bob's Knobs Celestron 8" SCT Hyperstar Secondary Collimation Knobs - Black Oxide - C8HYPBO
    $20.95
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  • Bob's Knobs Bob's Knobs Celestron 8" SCT Collimation Knobs - Metric - Black Oxide - C8METBO
    $20.95
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  • Bob's Knobs Bob's Knobs Celestron 8" SCT Collimation Knobs Secondary - C8STD
    $20.00
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  • Bob's Knobs Bob's Knobs Celestron 9.25" SCT Fastar Collimation Knobs Secondary - C925FST
    $20.95
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  • Bob's Knobs Bob's Knobs Celestron 9.25" SCT Secondary Collimation Knobs Metric - Black Oxide - C925METBO
    $20.95
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  • Bob's Knobs Bob's Knobs Celestron 9.25" SCT Collimation Knobs Standard Secondary - C925STD
    $20.95
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  • Bob's Knobs Bob's Knobs SkyWatcher 5" - 10" & C6, C8, and C10; Newtonian Secondary Collimation Knobs - CNSEC30
    $20.95
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  • Bob's Knobs Bob's Knobs Secondary Collimation Knobs for Orion OD Newtonians & C6, C8, and C10- CNSEC35
    $20.95
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  • Bob's Knobs Bob's Knobs Meade 10" SCT Collimation Knobs for 3-Screw Secondary - M10-3
    $16.95
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  • Bob's Knobs Bob's Knobs Meade 10" SCT Collimation Knobs for 6-Screw Secondary - M10-6
    $16.95
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  • Bob's Knobs Bob's Knobs Meade 10" SCT f/6.3 Collimation Knobs w/ Dust Cover Spacers - M10WF
    $25.95
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  • Bob's Knobs Bob's Knobs Meade 14" SCT Collimation Knobs For 6-Screw Secondary - M14-6E
    $16.95 $13.56
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  • Bob's Knobs Bob's Knobs Meade 16" SCT Collimation Knobs For 3-Screw Secondary - M16-3
    $25.95 $20.76
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  • Bob's Knobs Bob's Knobs Meade 16" SCT Collimation Knobs For 6-Screw Secondary - M16-6
    $25.95 $20.76
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  • Bob's Knobs Bob's Knobs Meade 6" SCT f/10 Collimation Knobs For 6-Screw Secondary - M6-6
    $25.95
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  • Bob's Knobs Bob's Knobs 8" Meade SCT 3-Screw Secondary - M8-3
    $16.00
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  • Bob's Knobs Bob's Knobs Meade 8" SCT Collimation Knobs For 4-Screw Secondary - M8-4
    $16.95
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  • Bob's Knobs Bob's Knobs for Meade 8" SCT with 6-Screw Thread - M8-6
    $16.00
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  • Bob's Knobs Bob's Knobs Meade 8" SCT Widefield f/6.3 Collimation Knobs W/ Dust Cover Spacers - M8WF
    $25.95 $20.76
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  • Bob's Knobs Bob's Knobs Meade 10" Lightbridge Collimation Knobs For Primary Screws - MLB10pri
    $27.95
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  • Bob's Knobs Bob's Knobs Meade 12" Lightbridge Low Profile AZ Lock 5/16" - MLB12AZ1
    $9.95
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  • Bob's Knobs Bob's Knobs Meade 12" Lightbridge Low Profile AZ Lock 3/8" - MLB12AZ2
    $9.95 $7.96
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  • Bob's Knobs Bob's Knobs Springs for Meade 8", 10" & 12" Lightbridge - CNSPR
    $16.95
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  • Bob's Knobs Bob's Knobs Meade Starfinder 10" Collimation Knobs - Primary Screws - MSF10PRI
    $27.95
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  • Bob's Knobs Bob's Knobs Meade SNT 6" Collimation Knobs - Secondary Screws - MSN6SEC
    $20.95 $16.76
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  • Bob's Knobs Bob's Knobs Meade SNT 8" Collimation Knobs Secondary Screws - MSN8SEC
    $20.95 $16.76
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  • Bob's Knobs Bob's Knobs Meade SNT 10" Collimation Knobs Secondary Screws - MSN10SEC
    $20.95
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  • Bob's Knobs Bob's Knobs Meade 12" Lightbridge Collimation Knobs Primary Screws - MLB12PRI
    $27.95
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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!

High Point Scientific is rated 4.9/5 based on 1347 reviews

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