Bob's Knobs for Celestron SCT 14” f/11 with Set-Style Screws: Easy Secondary Adjustment Designed for Specific Celestron Models: Tailored for Celestron 14” (36 cm) f/11 SCT versions with factory headless set-style (Allen or slotted) collimation screws. Part Information - Part: C14set: Telescope Fit: Perfectly compatible with Celestron 14" f/11 SCTs equipped with set-style collimation screws. Knob Design: Each knob is made from black plastic, 16 mm (5/8”) in diameter, providing an easy grip for precise adjustments. Thread Material: Features durable stainless steel threads for a secure and lasting fit. Additional Compatibility: Fits Fastar Secondary: Also suitable for the Celestron 14” SCT with “Trifid” Fastar secondary and headless set-style collimation screws. Rotary Cover and Dust Cover: Rotary Secondary Cover: Must remain open when knobs are installed; it's cosmetic and does not impact the telescope's operation. Dust Cover Fit: The factory dust cover continues to fit normally with Bob's Knobs installed. Caution on Center Screw: Avoid Adjusting Pivot Screw: Do not adjust the central pivot screw if present, as it is crucial for the secondary mirror's pivot. Streamlined Telescope Tuning: Ideal for Celestron SCT 14” f/11 telescope owners looking for a simple, tool-free solution to accurately adjust their secondary mirror.
