Lumicon 72mm to 77mm Step Ring allows the connection of digital cameras to telescopes with a T threaded adapter.

Lumicon 72mm to 77mm Step Ring

Lumicon 72mm to 77mm Step Ring allows the connection of digital cameras to telescopes with a T threaded adapter. This ring has 72mm exterior/male threads and 77mm interior/female threads, both with a thread-pitch of 0.75mm.