TS M42x1 female to T2 male adapter for Russian Objectives
Adapter: M42x1 female - T2 male
Known as the "russian adapter", this adapter enables you to attach T2 accessories to telescopes or objectives with M42x1 thread.Examples:
Objectives by Pentacon, Exakta, Praktika, Rubinar...
With this adapter, you can connect these objectives to your modern SLR camera using a standard T-2 ring.
-- M42x1 female thread
-- T2 (M42x0.75) male thread
-- optical length 7mm