Fine Focus Knob for Nexstar 8 GPS
Light weight 2-1/2" diameter knob fits over SCT focuser
for 'finger tip' fine focus control with less scope shake.
Graduated dial for reference. The end of the original focus
knob is still accessible for fast focus changes. Machined
from black delrin, with knurled edge, retained by friction
and stainless steel set screw. Allen wrench included.
Prices include FREE shipping in the USA!
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