Bresser
Extension tube 25mm 2.5" Hexafoc
$ 20.90
ready for shipping in 24
h
ASToptics
Extension tube M68 fine tuning ring - 1mm (aluminium)
$ 15.90
ready for shipping in 1-2
weeks
TS Optics
Extension tube M68 extender, 5mm total optical path
RRP:
$ 56.00
Our price:
$ 52.00
ready for shipping in 3-7
days
Bresser
Extension tube 37.5mm 2.5" Hexafoc
$ 22.90
ready for shipping in 1-2
weeks
ASToptics
Extension tube M68 fine tuning ring - 0.5mm (aluminium)
$ 13.90
ready for shipping in 1-2
weeks
ASToptics
Extension tube M68 fine tuning ring - 0.3mm (aluminium)
$ 16.90
ready for shipping in 1-2
weeks
TS Optics
Extension tube M68 15mm
$ 57.00
ready for shipping in 3-7
days
TS Optics
Extension tube M68 40mm
$ 66.00
ready for shipping in 3-7
days
TS Optics
Extension tube M68 extender, 8mm overall optical path
$ 54.00
ready for shipping in 3-7
days
Starlight Instruments
Extension adding 2.25 inches to overall length
RRP:
$ 418.00
Our price:
$ 306.00
ready for shipping in 3-6
months
Baader
Extension tube M68 VariLock 15-20 mm
$ 165.00
ready for shipping in 1-2
weeks