Bob's Knobs for C11 f/10 with Flat Secondary Housing and Standard Collimation Screw Threads (NOT FOR CPC 1100 or Edge)
Article number: | C11std |
Availability: | In stock |
Delivery time: | In Stock |
Knobs for C11 f/10 with Flat Secondary Housing and Standard Collimation Screw Threads
Part: C11std
Fits: Celestron 11” (28 cm) f/10 SCT versions (metal or carbon fiber tube) with flat secondary housing and standard collimation screw threads (not for CPC 1100 or EdgeHD).
Knobs: Black plastic, 16 mm (5/8”) diameter
Threads: Black anodized aluminum alloy
Notes:
- Silver factory collimation screws usually have standard threads, but some silver Phillips screws have metric threads. Our hints will help you determine which screws are on your telescope. Make sure the knob threads match the factory screw threads before installing the knobs.
- The factory dust cover will fit normally with Bob’s Knobs installed.
- Celestron 11” SCTs manufactured prior to 2006 have standard collimation screw threads.