Omegon
1.25'', 30mm extension tube
$ 19.90
ready for shipping in 24
h
ASToptics
T2 extension tube - 30mm
$ 31.90
ready for shipping in 24
h
TS Optics
2" extension tube with filter thread on both ends, 30mm optical path
$ 31.90
ready for shipping in 24
h
Baader
Extension tube M54 30mm
$ 38.90
ready for shipping in 1-2
weeks
Omegon
Extension tube Extender 30 mm T- thread
$ 29.90
ready for shipping in 24
h
Baader
Extension tube M48 30 mm 2"
$ 31.90
ready for shipping in 1-2
weeks