PrimaLuceLab Adapter from M81 to M72 with stop ring for ESATTO 3"

This PrimaLuceLab M81 to M72 Adapter with stop ring provides a rigid, precisely aligned connection between the ESATTO 3" focuser and any M72-threaded camera or optical accessory. Featuring an integrated stop ring for repeatable positioning, it ensures stable alignment and prevents rotation shifts—ideal for astrophotographers fine-tuning backfocus or maintaining consistent framing. Precision-machined and in excellent pre-owned condition with clean, smooth threads, this adapter offers a reliable, low-profile interface that expands the versatility of your ESATTO 3" imaging setup.