PrimaLuceLab Adapter from M81 to M68 with stop ring for ESATTO 3"

This PrimaLuceLab M81 to M68 Adapter with stop ring allows you to directly connect M68-threaded cameras, flatteners, and accessories to the ESATTO 3" focuser with precise, repeatable alignment. The integrated stop ring ensures consistent positioning and prevents rotation drift—ideal for astrophotographers who require stable framing and accurate backfocus when assembling their imaging train. Precision-machined for excellent rigidity and optical alignment, the adapter is in clean, smooth-threaded pre-owned condition. A dependable upgrade for expanding the versatility of your ESATTO 3" focusing system.