We offer knobs for the SkyWatcher Quattro Newtonian secondary. The Quattro 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 SkyWatcher Quattro 150 and 200 Newtonian Secondary
Part: CNsec30FT
Fits: SkyWatcher Quattro 150 and 200 Newtonian telescopes.
Knobs: Black plastic, 13 mm (1/2”) diameter
Threads: Stainless steel
$22.95
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B. Knobs for SkyWatcher Quattro 250 and 300 Newtonian Secondary
Part: CNsec35
Fits: SkyWatcher Quattro 250 and 300 Newtonian telescopes.
Knobs: Black plastic, 13 mm (1/2”) diameter
Threads: Stainless steel
Notes:
- On some Quattro 300P telescopes, the screws on these knobs may be too short to reach the secondary mirror backing plate. Contact us using the link at the bottom of this page for a set of replacement knobs with screws that are 40mm long. Knobs with 40mm screws may interfere with the dust cover.
$22.95