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Bob's Knobs Astro Tech AT12RC Collimation Knobs - Secondary Mirror - AT12RC

SKU: BOB-AT12RC

Bob's Knobs Astro Tech AT12RC Collimation Knobs - Secondary Mirror

Bob's Knobs Astro-Tech AT12RC Collimation Knobs fit Astro-Tech AT12RC secondary. The knobs are made from a black plastic that is 16mm (5/8") in diameter. The threads are stainless steel.

With Bob's Knobs installed the factory dust cover will fit normally.