Knobs for Meade Lightbridge 12 f/5 Primary

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Fits: Meade Lightbridge12 (30 cm) f/5 telescopes.Primary collimation Knobs: Black plastic, 30 mm (1-1/4 ) diameter, 5-point fluted Threads: Plated steel Primary Lock Knobs: Black p lastic, 25 mm (1 ) diameter, knurled Threads: Stainless steel Notes: If your primary looks different from our photograph, or already has factory collimation knobs, these knobs will not fit. The telescope optical tube assembly will clear the rocker box with primary knobs installed. One of the primary mirror knobs may interfere with the cooling fan connector. The plug will fit properly between the knob flutes, so leave this one knob stationary and collimate using the remaining knobs. If desired, you can leave the factory collimation screw that is next to the fan connector in place. Show more