Omegon
2'' extension tube with 50mm optical path
$ 39.90
ready for shipping in 24
h
TS Optics
extension tube 50mm for RC focusers
$ 89.00
ready for shipping in 3-7
days
TS Optics
2“ extension tube, 50mm optical path
$ 31.90
ready for shipping in 3-7
days
GSO
Extension tube 50mm extender for RC telescopes
$ 51.00
ready for shipping in 3-7
days