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  1. Takahashi 2" adapter to use Takahashi collimating scope with non-Takahashi telescopes

    $173.00
    This Takahashi 2" adapter is used to connect the Takahashi collimating scope to the 2" focuser of takahashi reflectors and non-Takahashi telescopes.
  2. Bob's Knobs 3 Replacement springs for Meade 8"/10"/12" Lightbridge Dobsonian primary mirrors

    $16.95
    These stainless steel LightBridge primary mirror support springs from Bob's Knobs are stronger than the factory-supplied springs to reduce mirror sag over time . . .
  3. Astrozap Artificial star

    $110.00
    The economical Astrozap artificial star provides a steady, stable first magnitude pinpoint of light to allow you to precisely collimate your scope in the field without worrying about star drift or seeing conditions . . .
  4. 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 . . .
  5. 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 . . .
  6. 3 Collimating knobs for Celestron C5 w/Phillips-head collimating screws

    $20.95
    These no-tool collimation knobs fit all 2006 and later versions of the Celestron C5 that use black Phillips-head collimating screws . . .
  7. Celestron Newtonian reflector collimating tool

    $39.95
    The Celestron Newtonian reflector collimating tool is a combination of a sight tube and a Cheshire eyepiece in a single unit. It has the precisely centered sighting hole and crosshairs of a sight tube, plus the cutout in the side of the tube containing the very precise 45° angle reflecting surface of a Cheshire . . .
  8. 9 Collimating and locking knobs for Meade 10" Lightbridge Dobsonian primary & secondary

    $49.95
    These no-tool collimation and locking knobs fit the primary and secondary mirrors of the Meade 10" LightBridge Dobsonian reflector telescope . . .
  9. 9 Collimating and locking knobs for Meade 12" Lightbridge Dobsonian primary & secondary

    $49.95
    These no-tool collimation and locking knobs fit the primary and secondary mirrors of the Meade 12" LightBridge Dobsonian reflector telescope . . .
  10. 6 Collimating and locking knobs for Meade 12" Lightbridge Dobsonian primary mirror

    $29.95
    These no-tool collimation and locking knobs fit the primary mirror of the Meade 12" LightBridge Dobsonian reflector telescope . . .
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