Bob's Knobs for Celestron 9.25" with Trifid Fastar Housing or EdgeHD

Bob's Knobs for Celestron 9.25" with Trifid Fastar Housing or EdgeHD
Item # BS-C925FST
1 Questions(s)

In Stock

  • Collimate your Celestron 9.25" Edge HD in a snap!
  • Knobs: Black plastic, 9.5 mm (3/8”) diameter - Threads: stainless steel.
  • Bob's Knobs for the Celestron C9.25 Edge HD allows the normal fit of the factory dust cover.
  • These knobs fit the Celestron 9.25” f/10 SCT with a Fastar secondary which has black Phillips factory collimation screws that are recessed into the secondary housing. These versions may or may not have EdgeHD optics.


Bob's Knobs Celestron 9.25" Metric Collimation Screws

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 9.25 inch (23.5 cm) f/10 Edge HD with factory collimation screws, with or without Fastar compatible secondary. 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.

Some telescope versions have a small plastic cover over the factory 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.

Bob's Knobs Product Number: C925FST
Additional Information

Additional Information

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

Included Items

  • Set of Collimation Knobs for 9.25" telescopes with metric Phillips screws with or without Fastar compatible housing.
Questions & Answers

Product Questions

Will these work with the NexStar Evolution 9.25?
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