Bob's Knobs - KNOBS FOR CELESTRON 11" (28 cm) f/10 SCT WITH FLAT SECONDARY HOUSING AND STANDARD COLLIMATION SCREW THREADS $16.95,  Bob`s Knobs c11std,Telescope Accessories Accessories, Low Price
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BOB'S KNOBS - KNOBS FOR CELESTRON 11" (28 CM) F/10 SCT WITH FLAT SECONDARY HOUSING AND STANDARD COLLIMATION SCREW THREADS c11std

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Bob's Knobs - KNOBS FOR CELESTRON 11

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Bob's Knobs SCT C11" F/10 STD KNOB SET

Item No. 788-10110
Manuf. No. Bob`s Knobs c11std

  • Fits: All Celestron 11 inch (28 cm) f/10 SCT versions (metal or carbon fiber tube) with flat secondary housing and standard 6-32 collimation screw threads (not for CPC 1100)
  • Knobs: Black plastic, 16 mm (5/8 inch) diameter
  • Threads: Black anodized aluminum alloy
Note1: Make sure the knob threads match the factory screw threads before installing the knobs.

Note2: The factory dust cover will fit normally with Bob's Knobs installed.

Note3: Most Celestron 11 inch (28 cm) SCTs made prior to 2006 have the flat secondary housing with standard 6-32 collimation screw threads. If your SCT has the Faster option, order knobs for the "Trifid" Fastar secondary housing instead. Do not use knobs for the Trifid Faster secondary on the flat secondary. The screws on these knobs are too long.

Note4: 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. Do not use these knobs on the CPC 1100.

Note5: These knobs will also fit the Orion 11" f/10 SCT by Celestron.


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