Bob's Knobs for Celestron SCT 9.25” f/10 Standard: Streamline Your Telescope Collimation Tailored for Celestron SCT 9.25" f/10: Specially designed for Celestron 9.25” (23.5 cm) f/10 SCT models with standard collimation screw threads, excluding CPC 925 and models with “Trifid” Fastar or EdgeHD optics. Part Details - Part: C9.25std: Telescope Suitability: Ideal for Celestron 9.25" f/10 SCT versions that have standard collimation screws. Knob Design: Made of black plastic, each knob is 16 mm (5/8”) in diameter, ensuring easy grip and precise adjustments. Thread Material: Constructed with black anodized aluminum alloy threads for a secure and lasting fit. Thread Identification and Compatibility: Standard Threads on Silver Screws: Typically, silver factory collimation screws have standard threads. Use our hints to verify the screw type on your telescope. Knob and Screw Match: Ensure the knob threads match those of the factory collimation screws before installation. Additional Features: Dust Cover Compatibility: The factory dust cover will continue to fit normally with Bob's Knobs installed. Spacer Inclusion: Long spacers are included with the knobs to ensure they clear the secondary housing lip. Model Year Note: Pre-2006 Models: Celestron 9.25” SCTs manufactured before 2006 typically feature standard collimation screw threads. Enhanced Telescope Maintenance: Ideal for owners of Celestron SCT 9.25” f/10 telescopes seeking an efficient, tool-free method for accurate secondary mirror collimation adjustments.
