We offer knobs for the iOptron Imaging Newtonian secondary. The primary is already equipped with factory collimation knobs. Select the type of knobs for your telescope from the list below. Price is for a complete set of knobs.
A. Knobs for iOptron 6" and 8" Imaging Newtonian Secondary
Part: CNsec35
Fits: iOptron 6" and 8" Imaging Newtonian telescope secondary
Knobs: Black plastic, 13 mm (1/2”) diameter
Threads: Stainless steel
$22.95
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B. Knobs for iOptron 10" Imaging Newtonian Secondary
Part: CNsec40
Fits: iOptron 12" Imaging Newtonian telescope secondary
Knobs: Black plastic, 13 mm (1/2”) diameter
Threads: Stainless steel
$25.95