Bresser
Extension tube 25mm 2.5" Hexafoc
$ 18.90
ready for shipping in 24
h
ASToptics
Extension Tube M48 Filter thread - 25mm Length 2"
$ 52.00
ready for shipping in 24
h
TS Optics
Extension tube for RC telescopes with 6" and 8" apertures, 25mm
$ 40.90
ready for shipping in 3-7
days
TS Optics
Extension tube for RC telescopes from 10" aperture, 25mm
$ 62.00
ready for shipping in 3-7
days