Bob's Knobs for Celestron CPC 1100

Bob's Knobs for Celestron CPC 1100
$20.95
Item # BS-C11MET
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  • Collimate your Celestron CPC 1100 in a snap!
  • Bob's Knobs for the Celestron CPC 1100 are easy to install.
  • Knobs: Black-oxide steel, 12 mm (1/2 inch) diameter - Threads: Black oxide steel.
  • Bob's Knobs For Celestron CPC 1100 allows the normal fit of the factory dust cover.
  • For Celestron 11 inch (28 cm) f/10 SCT versions with flat secondary housings and metric collimation screw threads.
Description

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Bob's Knobs for Celestron CPC 1100


Now there is no more tools needed to make collimation adjustments to your telescope! It's easy . . . just grab a Bob's Knob and turn. You can even collimate while looking through the eyepiece on most telescopes. What's more, you'll never drop that pesky little Allen wrench or screwdriver in the grass again. Installation is a snap with included instructions, and you can undo the modification at any time.

Fits: Celestron 11 inch (28 cm) f/10 SCT versions with flat secondary housing and metric M3 screw threads (CPC 1100). It is important that you choose the correct style Bob's Knobs for your telescope. Please note the number and type of screws on your secondary housing before ordering.

The CPC 1100 SCT requires knobs with metric threads. The CPC 1100 secondary can be identified by a factory-installed plastic cap over the collimation screws. This cover must be removed and set aside when Bob's Knobs are installed. The cover is cosmetic only and will not affect operation of the scope.

Celestron 11 inch SCTs manufactured prior to 2006 had standard 6-32 collimation screws. Do not use metric knobs on those telescopes.


Bob's Knobs Product Number: C11MET
Additional Information

Additional Information

SKU BS-C11MET
Manufacturer Bob's Knobs
Barrel Size Knob-Style
Collimation Knobs For... Celestron Telescopes
For What Telescopes? Cassegrains
Warranty Lifetime Warranty
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Included Items

Included Items

  • Bob's Knobs for Celestron CPC 1100
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