Adapter Ring with M42 Female Threads and M48 Male Threads (2" Filter)
This aluminum adapter ring has M42 female Threads on one side
and M48 (2" filter) male threads on the other side. The M42 threads
fit T-thread male adapters and the M48 side fits M48 female threads,
like on some filter drawers, filter wheels and flip mirrors.
Price includes shipping in the USA!