T-2 Extension Tube 40mm

T-2 Extension Tubes enable you to securely set or vary the spacing between T-2 components.  
The tubes are available in three lengths:

7.5mm #1508155
15mm  #1508154
40mm  #1508153 

All and are provided with an internal T-2 thread at one end and an external T-2 thread at the opposite end to enable easy linking together with each other or any other T-2 components.

Full internal threading and blackening kills any stray light reflections.