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Bobs Knobs C11 EdgeHD/CPC 1100 with Fastar

SKU : BS-C11EDG

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Product Details

  • These high-quality, 16 mm black plastic collimation knobs are designed to fit the 11-inch, f/10 Celestron Schmidt Cassegrain- either with metal or carbon fiber tube.

    So long as the scope in question is equipped with standard thread factory collimation screws, Bobs Knobs will fit it! (Though if it is not fitted with the factory standard Silver Phillips for the 11-inch f/10 Celestron Schmidt Cassegrain, these knobs won't fit.)  BS-C11EDG

Product Reviews

Customer Reviews
5.0 Based on 2 Reviews
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Filter Reviews:
    PO
    01/27/2022
    Paul O.
    United States United States

    Bob's Knobs, What Can You Say? They're the bomb.

    OPT is super reliable and fast. The knobs got shipped to me so fast, I thought Scotty might have beamed them over!

    A
    10/05/2018
    AstroPGR

    Works as specified

    Easy to install and works as specified. Makes collimation easier than using the phillips screws and no need to carry extra tools to do so.