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Bob's Knobs Celestron 11" SCT f/10 Collimation Knobs - Standard Secondary - C11STD

SKU: BOB-C11STD
 

Bob's Knobs Celestron 11" SCT f/10 Collimation Knobs - Standard Secondary

Bob's Knobs Celestron 11" SCT f/10 Collimation Knobs fit Celestron 11" (28 cm) f/10 SCT versions with (carbon fiber or metal tube) standard collimation and flat secondary housing collimation screw threads. (Not for EdgeHD or CPC 1100).

  • Bob's Knobs are made from black plastic and are 16 mm in diameter or 5/8"
  • The threads are black, anodized aluminum alloy
  • With Bob's Knobs installed your factory dust cover will fit normally
  • Some silver Phillips screws have metric threads but most silver factory collimation screws usually have standard threads
  • 11" Celestron SCTs made prior to 2006 have standard collimation screw threads