Baader Planetarium 7.5mm/15mm/40mm T-2 Extension Tubes (1508155/1508154/1508153 )
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, 15mm, and 40mm, and are provided with an internal T-2 thread at...