Lumicon Low Profile 2 Inch Prime Focus Adapter drops into a 2″ telescope eyepiece holder and presents male T-threads (42mm x 0.75mm) for T-ring attachment. For prime focus photography.

Lumicon Low Profile 2 Inch Prime Focus Adapter

Lumicon Low Profile 2 Inch Prime Focus Adapter drops into a 2″ telescope eyepiece holder and presents male T-threads (42mm x 0.75mm) for T-ring attachment. For prime focus photography where back-focus is critical, and where a 2″ eyepiece-holder depth is limited (e.g. Lumicon Newtonian and Cassegrain Easy Guiders). Includes 2″/48mm filter threads.