The brand for astronomy & observing nature
Wide range of innovative products
In-house development & manufacturing
Personal service & support

Glossary | Telescope accessories | Capacity | Connection (to the telescope) | T2

A thread measurement commonly used in photography

A T2 thread, also written T-2, has a diameter of 42mm and a thread pitch of 0.75mm. It is also sometimes written as M42x0.75.

The low pitch distinguishes it from other M42 threads.