Adapter from M42x1 to 1.25" with compression ring

For visual use of telephoto lenses with the M42x1 thread, e.g. the Russian Maksutov teles. 1.25" accessories are securely held in place with a compression ring.

Specifications:

-- Camera adaptation ... M42x1 female thread and T2 female thread
-- Eyepiece adaptation ... 1.25" clamp with compression ring
-- Mechanical length ... 25mm behind the M42 thread

The Adapter consists of 2 adapters:

-- Converter from M42x1 to T2
-- Adapter from T2 to 1,25"