Lumicon 77mm to 67mm Step Ring allows the connection of digital cameras to telescopes with a T threaded adapter.

Lumicon 77mm to 67mm Step Ring

Lumicon 77mm to 67mm Step Ring allows the connection of digital cameras to telescopes with a T threaded adapter. This ring has 77mm exterior/male threads and 67mm interior/female threads, both with a thread-pitch of 0.75mm.