M31X0.5 Female Thread to M42X0.75 T2 Male Thread Adapter for 1.25inch Double Helical Focuser
- Converts an M31 male thread to a T2 Male thread
- M31*0.5 female thread to M42*0.75 Male thread adapter
- High quality anodized aluminum adapter for long time use
- This aluminum adapter ring has M42 male Threads on one side and M31 Female threads on the other side
- With it you can convert a male M31 thread to a male T2 thread with minimum possible mechanical length