Bob's Knobs

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  1. 3 Collimating knobs for all Meade 12" LX200 3 Collimating knobs for all Meade 12

    3 Collimating knobs for all Meade 12" LX200

    $19.95
    These no-tool collimation knobs fit all Meade 12" LX200 Schmidt-Cassegrain telescopes . . .
  2. 3 Collimating knobs for Celestron 11" SCT with flat secondary housing 3 Collimating knobs for Celestron 11

    3 Collimating knobs for Celestron 11" SCT with flat secondary housing

    $19.95
    These no-tool collimation knobs fit most aluminum optical tube versions of the Celestron C11 Schmidt-Cassegrain (those with a flat secondary housing) . . .
  3. 3 Collimating knobs for Celestron 11" SCT with Trifid secondary (not Edge HD) 3 Collimating knobs for Celestron 11

    3 Collimating knobs for Celestron 11" SCT with Trifid secondary (not Edge HD)

    $19.95
    1 Review(s)
    These no-tool collimation knobs fit late model aluminum optical tube and most carbon fiber optical tube versions of the Celestron C11 Schmidt-Cassegrain (those with a partially raised "Trifid" housing that rotates to cover and uncover the collimation screws) . . .
  4. 3 Collimating knobs for Celestron C14 w/Allen or slotted collimation screws 3 Collimating knobs for Celestron C14 w/Allen or slotted collimation screws

    3 Collimating knobs for Celestron C14 w/Allen or slotted collimation screws

    $19.95
    These no-tool collimation knobs fit those Celestron C14 Schmidt-Cassegrain telescopes that use Allen or slotted-head collimation screws (including those with a partially raised "Trifid" housing that rotates to cover and uncover the collimation screws) . . .
  5. 3 Collimating knobs for Celestron C14 with Phillips-head collimation screws 3 Collimating knobs for Celestron C14 with Phillips-head collimation screws

    3 Collimating knobs for Celestron C14 with Phillips-head collimation screws

    $19.95
    These no-tool collimation knobs fit those Celestron C14 Schmidt-Cassegrain telescopes that use Phillips-head collimation screws . . .
  6. 3 Collimating knobs for Celestron C14 with Phillips-head collimation screws 3 Collimating knobs for Celestron C14 with Phillips-head collimation screws With Metric threads

    3 Collimating knobs for Celestron C14 with Phillips-head collimation screws With Metric threads

    $19.95
    These no-tool collimation knobs fit those Celestron C14 Schmidt-Cassegrain telescopes that use Phillips-head collimation screws Metric threads. . .
  7. 3 Collimating knobs for Meade 14" LX200 3 Collimating knobs for Meade 14

    3 Collimating knobs for Meade 14" LX200

    $19.95
    These no-tool collimation knobs fit all Meade 14" LX200 Schmidt-Cassegrain telescopes with exposed collimation screws . . .
  8. 3 Collimating knobs for Meade 16" LX200 with three collimating screws 3 Collimating knobs for Meade 16

    3 Collimating knobs for Meade 16" LX200 with three collimating screws

    $25.95
    These no-tool collimation knobs fit older Meade 16" LX200 Schmidt-Cassegrain telescopes with a 3-screw secondary . . .
  9. 3 Collimating knobs for metric Celestron 9.25" CPC 925 SCTs 3 Collimating knobs for metric Celestron 9.25

    3 Collimating knobs for metric Celestron 9.25" CPC 925 SCTs

    $20.95
    These no-tool collimation knobs fit the metric thread versions of the Celestron CPC 925 9¼" Schmidt-Cassegrain . . .
  10. 3 Collimating knobs | Meade 16" LX200 with six screw secondary 3 Collimating knobs | Meade 16

    3 Collimating knobs | Meade 16" LX200 with six screw secondary

    $25.95
    These no-tool collimation knobs fit recent Meade 16" LX200 Schmidt-Cassegrain telescopes and current 16" LX200R Advanced Ritchey-Chrétien telescopes with a 6-screw secondary . . .
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