Bobs Knobs Celestron 6" SCT f/10 Collimation Knobs Secondary C6 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.
Trustpilot
2 months ago
2 weeks ago
