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Bob's Knobs Celestron 9.25" SCT Collimation Knobs Standard Secondary - C925STD

SKU: BOB-C925STD

Bob's Knobs Celestron 9.25" SCT Collimation Knobs Standard Secondary

Bob's Knobs Celestron 9.25" SCT f/10 Collimation Knobs fit Celestron 9.25" (23.5 cm) f/10 SCT with standard collimation screw threads. (Not for CPC 925 or EdgeHD)

  • Bob's Knobs are made from black plastic and are 16 mm in diameter or 5/8".
  • The threads are black, anodized aluminum alloy. Before installing the knobs, make sure the knob threads match the factory screw threads
  • With Bob's Knobs installed your factory dust cover will fit normally
  • In order to clear the secondary housing lip the knobs include a set of long spacers
  • Manufactured Celestron 9.25" SCTs before 2006 have standard collimation screw threads