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Identical to those supplied with their Advanced Polaris mounts, the Vixen Optics' Slow Motion Control Knob can be used to replace a lost or broken knob or saved as a spare and used on the GP2 and GPD2 mounts as well as the AP. The knob is used with the manual slow motion control module and fits both the Right Ascension and Declination axes.
In the Box
Vixen Optics Slow Motion Control Knob for AP, GP2, and GPD2 Mounts