Knobs for Astro-Tech (GSO/Orion/TPO) 6" f/9 Ritchey-Crétien Secondary
Article number: | AT6RC |
Availability: | Order Now! |
Delivery time: | More on the Way to us |
Knobs for Astro-Tech (GSO/Orion/TPO) 6" f/9 Ritchey-Crétien Secondary

Part: AT6RC
Fits: Astro-Tech, GPO, Orion (US), and TPO 6" f/9 RCT secondary
Knobs: Black plastic, 16 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.