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  1. 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 . . .
  2. Bob's Knobs 3 Collimating knobs for Astro-Tech 10" RC astrograph secondary mirror

    $25.95
    These no-tool collimation knobs fit the Astro-Tech 10" Ritchey-Chrétien astrographs only . . .
  3. Bob's Knobs 3 Collimating knobs for Astro-Tech 12" RC astrograph secondary mirror

    $25.95
    These no-tool collimation knobs fit the Astro-Tech 12" Ritchey-Chrétien astrographs only . . .
3 Item(s)
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