Home > Telescope Accessories > Bobs Knobs Collimation Thumbscrews
Model: C14SETBrand: Bobs KnobsSelect Telescope: Celestron 14"
Generally In Stock, Please Confirm Before Ordering
COLLIMATE YOUR SCHMIDT-CASSEGRAIN STYLE OR NEWTONIAN STYLE TELESCOPE WITHOUT TOOLS
It’s easy . . . just grab a Bob's Knob collimation thumbscrew and turn. You can even do it while looking through the eyepiece on most scopes. And you'll never drop that pesky little Allen wrench or screwdriver into the grass again. Installation is a snap with the included instructions, and you can undo the modification at any time.
Fits: Celestron 14” (36 cm) f/11 SCT versions with factory headless set-style (Allen or slotted) collimation screws
Knobs: Black plastic, 19 mm (3/4”) diameterThreads: Black anodized aluminum alloy
Notes:The factory dust cover will fit normally with Bob’s Knobs installed.These knobs will also fit the Celestron 14” SCT with “Trifid” Fastar secondary and headless set-style collimation screws. The rotary secondary cover must remain open when knobs are installed. The cover is cosmetic only and will not affect operation of the telescope.Do not adjust the center secondary screw if present.
Special Note: The Celestron 14” SCT uses either standard 6-32 or metric M3 collimation screws. Headless set-style factory collimation screws have standard threads. Phillips screws can have either standard or metric threads. Phillips collimation screws are found on both EdgeHD and non-EdgeHD late model C14 telescopes, either with or without the Fastar secondary. Generally black Phillips collimation screws have metric threads and silver Phillips collimation screws have standard threads. Some black Phillips collimation screws have standard threads, however, so if you order the wrong screws you can exchange them at no additional cost.
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