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Bob's Knobs

Bob's Knobs

Upgrade your telescope with Bob's Knobs precision thumbscrews. Easily adjust collimation and alignment for sharper, clearer views of the night sky.

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  • CA$35.00 - CA$35.00
    CA$35.00
    CA$35.00 - CA$35.00
    CA$35.00

    Bob's Knobs Collimation Thumbscrews for C11 Metric Fastar - Stainless Steel

    BOB-C11metfst
    2 in stock

    The collimation of an SCT can be a daunting task for a beginner, but it is an absolutely necessary process to get the most out of your telescope! D...

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    CA$35.00 - CA$35.00
    CA$35.00
    CA$35.00 - CA$35.00
    CA$35.00
  • CA$39.00 - CA$39.00
    CA$39.00
    CA$39.00 - CA$39.00
    CA$39.00

    Bob's Knobs Collimation Thumbscrews for C14 Metric Phillips

    BOB-C14metphi
    2 in stock

    The collimation of an SCT can be a daunting task for a beginner, but it is an absolutely necessary process to get the most out of your telescope! D...

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    CA$39.00 - CA$39.00
    CA$39.00
    CA$39.00 - CA$39.00
    CA$39.00
  • CA$39.00 - CA$39.00
    CA$39.00
    CA$39.00 - CA$39.00
    CA$39.00

    Bob's Knobs Collimation Thumbscrews for C8 EdgeHD - Stainless Steel

    BOB-C8edgSS
    7 in stock

    The collimation of an SCT can be a daunting task for a beginner, but it is an absolutely necessary process to get the most out of your telescope! D...

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    CA$39.00 - CA$39.00
    CA$39.00
    CA$39.00 - CA$39.00
    CA$39.00
  • CA$35.00 - CA$35.00
    CA$35.00
    CA$35.00 - CA$35.00
    CA$35.00

    Bob's Knobs Collimation Thumbscrews for C9.25 Fastar - Stainless Steel

    BOB-C9.25fst
    4 in stock

    The collimation of an SCT can be a daunting task for a beginner, but it is an absolutely necessary process to get the most out of your telescope! D...

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    CA$35.00 - CA$35.00
    CA$35.00
    CA$35.00 - CA$35.00
    CA$35.00
  • CA$39.00 - CA$39.00
    CA$39.00
    CA$39.00 - CA$39.00
    CA$39.00

    Bob's Knobs for C5 SCT Metric - Stainless Steel

    BOB-C5metSS

    The collimation of an SCT can be a daunting task for a beginner, but it is an absolutely necessary process to get the most out of your telescope! D...

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    CA$39.00 - CA$39.00
    CA$39.00
    CA$39.00 - CA$39.00
    CA$39.00
  • CA$39.00 - CA$39.00
    CA$39.00
    CA$39.00 - CA$39.00
    CA$39.00

    Bob's Knobs for C6 SCT - Stainless Steel

    BOB-C6SS

    The collimation of an SCT can be a daunting task for a beginner, but it is an absolutely necessary process to get the most out of your telescope! D...

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    CA$39.00 - CA$39.00
    CA$39.00
    CA$39.00 - CA$39.00
    CA$39.00
  • CA$39.00 - CA$39.00
    CA$39.00
    CA$39.00 - CA$39.00
    CA$39.00

    Bob's Knobs for C8 SCT - Stainless Steel

    BOB-C8metSS
    2 in stock

    Fits: Most Celestron 8” (20 cm) f/10 SCT made in 2005 and later with black Phillips factory collimation screws that have metric threads. Includes S...

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    CA$39.00
  • CA$35.00 - CA$35.00
    CA$35.00
    CA$35.00 - CA$35.00
    CA$35.00

    Bob's Knobs for Celestron C6-N/NGT, C8-N/NGT and C10-N/NGT Secondary - 30mm

    BOB-CNsec30
    3 in stock

    Part:CNsec30 or CNsec35Fits: Celestron C6-N/NGT, C8-N/NGT, and C10-N/NGT Newtonian telescopes, SkyWatcher (5”, 6”, 8”, 10”, 12”, 14”, 16”) Newtonia...

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    CA$35.00 - CA$35.00
    CA$35.00
  • CA$39.00 - CA$39.00
    CA$39.00
    CA$39.00 - CA$39.00
    CA$39.00

    Bob's Knobs for SkyWatcher Newtonian Primary with Factory Collimation Screws

    BOB-SWpri

    Primary collimation Knobs: Black plastic, 16 mm (5/8”) diameter Threads: Stainless steel Primary Lock Knobs: Red plastic, 16 mm (5/8”) diamete...

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    CA$39.00 - CA$39.00
    CA$39.00
    CA$39.00 - CA$39.00
    CA$39.00