Bob's Knobs for Meade Lightbridge 12” Primary: Precision Collimation Made Simple Tailored for 12" f/5 Telescopes: Designed specifically for Meade Lightbridge, Apertura, and GSO 12” (30 cm) f/5 telescopes equipped with factory collimation screws. Not suitable for models with factory collimation knobs. Part Details - Part: MLB12pri: Telescope Compatibility: Perfect for Meade Lightbridge, Apertura, and GSO 12" f/5 models. Primary Collimation Knobs: Constructed from black plastic, each knob is 30 mm (1-1/4”) in diameter with a 5-point fluted design for easy and accurate adjustments. Thread Material: Features durable plated steel threads for primary collimation knobs. Primary Lock Knobs: Design: Black plastic knobs, 25 mm (1”) in diameter, with a knurled texture for improved grip. Threads: Made with robust stainless steel, ensuring secure attachment. Usage and Fitment 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 Assurance: Ensures the telescope optical tube assembly clears the rocker box with the primary knobs installed. Knob Appearance: Note that the primary adjustment knobs are slightly larger than depicted in the photo and lack an orange insert. Effortless Telescope Tuning: Ideal for astronomers with Meade Lightbridge, Apertura, and GSO 12” f/5 telescopes, seeking a straightforward, tool-free method for precise primary mirror collimation adjustments.
