Please use another browser such as Chrome, Edge, Firefox, or Safari for the best experience

Skip to content Celestron EclipSmart 10 Pack

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

SKU: BOB-C925STD
$22.00
 

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