Bob's Knobs for Meade Lightbridge 8” Primary: Enhance Your Collimation Experience Specially Designed for 8" f/6 Telescopes: Created for Meade Lightbridge, Apertura, and GSO 8” (20 cm) f/6 telescopes equipped with factory collimation screws. Not suitable for models with factory collimation knobs. Part Details - Part: MLB8pri: Telescope Compatibility: Ideal for Meade Lightbridge, Apertura, and GSO 8" f/6 models. Primary Collimation Knobs: Made of black plastic, each knob is 30 mm (1-1/4”) in diameter, featuring a 5-point fluted design for easy and precise adjustments. Thread Material: Equipped with plated steel threads for primary collimation knobs. Primary Lock Knobs: Design: Knobs are black plastic, 25 mm (1”) in diameter, with a knurled surface for better grip. Threads: Constructed with durable stainless steel, ensuring a secure fit. Compatibility and Installation Notes: Visual Compatibility Check: If your primary mirror assembly looks different from our photo or has factory collimation knobs, these knobs will not fit. Clearance Consideration: The telescope optical tube assembly will clear the rocker box with the primary knobs installed. Knob Appearance: Primary adjustment knobs are slightly larger than those shown in the photograph and lack an orange insert. Streamlined Telescope Tuning: Perfect for owners of Meade Lightbridge, Apertura, and GSO 8” f/6 telescopes seeking an easy, tool-free method for accurate primary mirror collimation adjustments.
