We offer knobs for the GSO (Astro-Tech, Orion) 6" and 8" Classical Cassegrain secondary. Select knobs for your telescope from the list below. Price is for a complete set of knobs.
A. Knobs for GSO (also Astro-Tech, Orion) 6" Classical Cassegrain Secondary
Part: GSO6CC
Fits: GSO 6" Classical Cassegrain telescope.
Knobs: Black plastic, 15 mm (5/8”) diameter
Threads: Stainless steel
Notes:
- If the dust cover cannot be installed because of knob height, you can use a shower cap in its place.
$25.95
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B. Knobs for GSO (also Astro-Tech, Orion) 8" Classical Cassegrain Secondary
Part: GSO8CC
Fits: GSO 8" Classical Cassegrain telescope.
Knobs: Black plastic, 15 mm (5/8”) diameter
Threads: Stainless steel
Notes:
- If the dust cover cannot be installed because of knob height, you can use a shower cap in its place.
$25.95
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