SKYWATCHER NEWTONIAN ON DOBSONIAN MOUNT

A. Knobs for SkyWatcher 5”, 6”, 8”, 10” Newtonian Primary

Part: SWpri
Fits: SkyWatcher (5”, 6”, 8”, 10”) Newtonian telescopes.

Primary collimation
  • Knobs: Black plastic, 16 mm (5/8”) diameter
  • Threads: Stainless steel
Primary Lock
  • Knobs: Black plastic, 16 mm (5/8”) diameter
  • Threads: Stainless steel
Notes:
  1. The telescope optical tube assembly will clear the Dobsonian rocker box with primary knobs installed.
  2. Knobs with shorter screws and spacers replace the factory flathead Phillips collimation screws. Knobs with longer screws replace the factory set-style (grub) locking screws.
  3. Since the factory collimation and locking screws are close together, knobs must be staggered in height. The locking knobs protrude further than the collimation knobs.
  4. Protect the locking knobs from damage, and do not support the OTA using the locking knobs as feet.
SWpri1

$25.95


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B. Knobs for SkyWatcher 12” Newtonian Primary
SkyWatcher12pri

The Skywatcher 12” primary is equipped with factory collimation and lock knobs. Although the lock knob is small, its proximity to the collimation knob prevents replacing it with a larger knob.
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C. Knobs for SkyWatcher Newtonian Secondary

Part: CNsec30 or CNsec35
Fits: SkyWatcher (5”, 6”, 8”, 10”, 12”) Newtonian telescopes.

Knobs: Black plastic, 13 mm (1/2”) diameter
Threads: Stainless steel

Notes:
  1. We offer knobs with screws having either 30 mm or 35 mm length. Order knobs with a screw length sufficient to allow the knobs to clear the secondary housing. Knobs with 30 mm screws are the most common in this configuration.
XTset

$20.95

Screw length