Custom-Made for Celestron SCT 14" f/11: Specially designed for Celestron 14” (36 cm) f/11 SCT models with metric thread factory Phillips collimation screws, suitable for Fastar models and those with or without EdgeHD optics.
Part Information - Part: C14metphi:
- Telescope Fit: Compatible with Celestron 14" f/11 SCTs featuring metric threaded Phillips collimation screws.
- Knob Design: Made from black plastic, each knob is 15 mm (5/8”) in diameter, enabling effortless and accurate adjustments.
- Thread Material: Features durable black oxide steel threads for a secure fit and long-term use.
Important Considerations:
- Thread Type Identification: Refer to special notes for guidance on distinguishing between standard and metric threads.
- Gentle Tightening Required: Due to the small size and fine threads of the collimation screws, knobs should be carefully tightened to avoid damage.
Factory Dust Cover and Rotary Cover:
- Dust Cover Compatibility: Ensures the factory dust cover fits normally with Bob's Knobs installed.
- Rotary Cover Instructions: If present, the rotary secondary cover must stay open during knob use. It's cosmetic and does not impact telescope function.
Knob Protrusion Caution:
- Trifid-Style Rotary Cover: Knobs should not protrude above this cover to prevent interference with the dust cover. For better access, consider removing the vinyl escutcheon or accessing knobs from the side.
Enhanced Telescope Maintenance: Ideal for Celestron SCT 14” f/11 telescope owners seeking a simple, tool-free solution for precise collimation adjustments.

Bob's Knobs for Celestron SCT 14” f/11 Metric:

Precise and Easy Collimation

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Bob's Knobs Celestron SCT 14” f/11 metric

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