Secondary Knobs for Orion and Sky-Watcher Dobsonians 35 mm
|These knobs with 35 mm screws replace the set factory secondary mirror collimation screws on Orion and Sky-Watcher Dobsonian telescopes. |
Knobs for Orion and Sky-Watcher Newtonian Secondary (30 mm)
Fits: SkyWatcher (5”, 6”, 8”, 10”, 12”, 16”) Newtonian telescopes. Orion SkyQuest XX-series with factory set-style secondary collimation screws. Suggested for 12" and larger models, but see notes below.
Knobs: Black plastic, 13 mm (1/2”) diameter
Threads: Stainless steel
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