Artesky
Extension tube T2 7mm
$ 23.90
ready for shipping in 3-5
weeks
Baader
Extension tube M68 VariLock 15-20 mm
$ 171.00
ready for shipping in 1-2
weeks
Artesky
Extension tube Fine Tuning Ring Set M54
$ 35.90
ready for shipping in 3-5
weeks
ASToptics
Extension tube T2 fine-tuning ring - 0.5mm (aluminium)
$ 11.90
ready for shipping in 1-2
weeks
Baader
2" extension for 2" ClickLock
$ 106.00
ready for shipping in 1-2
weeks
Baader
Extension tube VariLock 46 lockable T-2 29-46mm extender, with lock spanner
$ 86.00
ready for shipping in 1-2
weeks
ASToptics
Extension tube T2 fine tuning ring - 1mm (aluminium)
$ 11.90
ready for shipping in 24
h
TeleVue
3.5" Extension Tube
$ 124.00
ready for shipping in 24
h
TS Optics
Extension tube M68 15mm
$ 59.00
ready for shipping in 3-7
days
TS Optics
Extension tube Fine Tuning Ring for T2-thread - thickness 1.0mm
$ 17.90
ready for shipping in 3-7
days
TS Optics
Extension tube M48 / M63 variabel 20.5 - 31mm
$ 66.00
ready for shipping in 3-7
days
TS Optics
Extension tube Fine Tuning Ring for T2-thread - thickness 0.5 mm
$ 17.90
ready for shipping in 3-7
days
TS Optics
Extension tube Fine Tuning Ring for T2-thread - thickness 1.5 mm
$ 17.90
ready for shipping in 3-7
days
TS Optics
Extension tube M54 8mm
$ 45.90
ready for shipping in 3-7
days
TS Optics
Extension tube Fine-tuning ring for M48 0.3mm
$ 21.90
ready for shipping in 3-7
days
TS Optics
Extension tube Fine Tuning Ring for M48x0.75 thickness 1.5 mm
$ 17.90
ready for shipping in 3-7
days
TS Optics
Extension tube Fine Tuning Ring for M48 thickness 0.5mm
$ 21.90
ready for shipping in 3-7
days
TS Optics
Extension tube M68 extender, 8mm overall optical path
$ 56.00
ready for shipping in 3-7
days
TS Optics
Extension tube M54 1.5mm
$ 19.90
ready for shipping in 1-2
weeks
TS Optics
Extension tube, 2", 3mm
$ 35.90
ready for shipping in 3-7
days
TS Optics
2" extension tube with filter thread on both ends, 10mm optical path
$ 35.90
ready for shipping in 3-7
days
TS Optics
2'' extension tube with filter thread at both ends, optical path 5mm
$ 35.90
ready for shipping in 3-7
days
Baader
Extension tube M48 7.5mm
$ 30.90
ready for shipping in 1-2
weeks
Baader
Extension tube M48 10mm
$ 31.90
ready for shipping in 1-2
weeks
GSO
Extension tube 50mm extender for RC telescopes
$ 58.00
ready for shipping in 3-7
days
Baader
Extension tube DT-4 Verlaengerungshuelse 31,8mm (1 ¼ ")
$ 26.90
ready for shipping in 1-2
weeks
TS Optics
Extension tube for RC telescopes with 6" and 8" apertures, 25mm
$ 45.90
ready for shipping in 3-7
days
ASToptics
2" extension tube, 40mm
$ 53.00
ready for shipping in 3-6
months
Starlight Instruments
Extension adding 2.25 inches to overall length
$ 388.00
ready for shipping in 3-6
months
Starlight Instruments
Extension tube 2.5" diameter riser, adds 2.25" to length of base
$ 388.00
ready for shipping in 3-6
months
ASToptics
Extension tube M68 fine tuning ring - 0.3mm (aluminium)
$ 17.90
ready for shipping in 1-2
weeks
TeleVue
0.375" Length Accessory Tube for 2.4"
$ 59.00
ready for shipping in 6-10
weeks
TeleVue
Extension tube 2" extender
$ 124.00
ready for shipping in 6-10
weeks
TeleVue
1.0" Length Accessory Tube for 2.4"
$ 59.00
ready for shipping in 6-10
weeks
Omegon
2'' extension tube with 50mm optical path
$ 34.90
Product can be shipped as of 15.04.2026
TeleVue
0.25" Length Accessory Tube for 2.4"
$ 59.00
ready for shipping in 6-10
weeks