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8 Items

Bob's Knobs Astro Tech Collimation Knobs - Secondary Mirror - AT10RC

SKU: BOB-AT10RC
  • Set of three collimation knobs from Bob's Knobs designed for the Astro-Tech 10" RC telescope's secondary mirror.
  • Measuring 16 mm (5/8") in diameter, these knobs feature black plastic construction.
  • Although the factory supplied dust cover may come into contact with these collimation knobs while they are installed, it will still remain in place.
  • These Bob's Knobs Collimation Knobs contain stainless steel threads.
$25.95 $20.76

Bob's Knobs Astro Tech AT12RC Collimation Knobs - Secondary Mirror - AT12RC

SKU: BOB-AT12RC
  • Set of three collimation knobs from Bob's Knobs designed for the Astro-Tech 12" RC telescope's secondary mirror.
  • Measuring 16 mm (5/8") in diameter, these knobs feature black plastic construction.
  • Although the factory supplied dust cover may come into contact with these collimation knobs while they are installed, it will still remain in place.
  • These Bob's Knobs Collimation Knobs contain stainless steel threads.
$25.95 $20.76

Bob's Knobs Celestron 14" SCT f/11 Collimation Knobs - Standard Phillips - C14STDPHI

SKU: BOB-C14STDPHI
  • Measuring 16 mm or 5/8" in diameter, these Bob's Knobs collimation knobs fit Celestron C14 f/11 Schmidt-Cassegrain telescope models with standard thread Phillips factory collimation screws, whether or not they contain Fastar.
  • Made from black plastic with black anodized aluminum alloy threads.
  • The factory supplied dust cover will fit as per usual with these collimation knobs installed.
  • These Bob's Knobs Collimation knobs are not compatible with Celestron C14 SCTs with EdgeHD optics.
$20.95 $16.76

Bob's Knobs Meade 16" SCT Collimation Knobs For 3-Screw Secondary - M16-3

SKU: BOB-M16-3
  • These Bob's Knobs Collimation Knobs are designed to fit Meade 16" f/10 Schmidt-Cassegrain telescope models with 3-screw secondary housing like the LX200.
  • Each knob in this set measures 16 mm or 5/8" in diameter and is made of black plastic.
  • The factory supplied dust cover will fit as per usual with these collimation knobs installed.
  • Comes with an Allen wrench for factor collimation screw removal.
  • Meade 16" SCTs with 6-screw secondary housing require a different set of knobs.
$25.95 $20.76

Bob's Knobs Meade 8" SCT Widefield f/6.3 Collimation Knobs W/ Dust Cover Spacers - M8WF

SKU: BOB-M8WF
  • These Bob's Knobs Collimation Knobs fit Meade 8" Schmidt-Cassegrain telescope models including the LX6, LX10, LX50, LX100, LX200, and 2080 models with f/6.3 Wide Field marked on the corrector ring.
  • Each knob in this set measures 12 mm or 1/2" in diameter and features stainless steel construction.
  • Comes with an Allen wrench for factor collimation screw removal.
  • A set of spacers to be attached to the inside of your telescope's factory dust cover is also provided to ensure that the dust cover fits properly.
$25.95 $20.76

Bob's Knobs Meade 12" Lightbridge Low Profile AZ Lock 3/8" - MLB12AZ2

SKU: BOB-MLB12AZ2
  • This lock from Bob's Knobs are meant to work with Meade 12" LightBridge Low Profile AZ Lock.
  • Bob's Knobs lock works with the low-profile design of the Meade 12" LightBridge rocker box.
  • This knob is make od black plastic with stainless steel threads.
  • The lock bolt diameter is 3/18".
$9.95 $7.96

Bob's Knobs Meade SNT 6" Collimation Knobs - Secondary Screws - MSN6SEC

SKU: BOB-MSN6SEC
  • Set of collimation knobs from Bob's Knobs designed for the Meade 6" f/5 SNT telescope's secondary mirror.
  • Measuring 13 mm (1/2") in diameter, these knobs feature black plastic construction and stainless steel threads.
  • The factory supplied dust cover will fit as per usual with these collimation knobs installed.
  • Sitting above the lip of the secondary housing, these knobs are easily accessible.
$20.95 $16.76

Bob's Knobs Meade SNT 8" Collimation Knobs Secondary Screws - MSN8SEC

SKU: BOB-MSN8SEC
  • Set of collimation knobs from Bob's Knobs designed for the Meade 8" f/4 SNT telescope's secondary mirror.
  • Measuring 13 mm (1/2") in diameter, these knobs feature black plastic construction and stainless steel threads.
  • The factory supplied dust cover will fit as per usual with these collimation knobs installed.
  • Sitting above the lip of the secondary housing, these knobs are easily accessible.
$20.95 $16.76