Bobs Knobs for Meade Lightbridge (GSO) 12 f/5 Primary

Primary collimation

• Knobs: Black plastic, 30 mm (1-1/4”) diameter, 5-point fluted
• Threads: Plated steel

Primary Lock

• Knobs: Black plastic, 25 mm (1”) diameter, knurled
• Threads: Stainless steel

Notes:

1. If your primary looks different from our photograph, or already has factory collimation knobs, these knobs will not fit.
2. The telescope optical tube assembly will clear the rocker box with primary knobs installed.
3. Primary adjustment knobs are slightly larger than shown in the photograph and do not have an orange insert.