ZWO
Extension tube 10 mm M54
$ 34.90
ready for shipping in 1-2
weeks
TS Optics
Extension tube 35mm 1.25"
$ 31.90
ready for shipping in 3-7
days
TS Optics
Extension tube M54 15mm
$ 46.90
ready for shipping in 3-7
days
TS Optics
Extension tube M48 17-23mm
( 5 / 5 )
$ 43.90
ready for shipping in 3-7
days
Artesky
Extension tube Fine Tuning Ring Set M48
$ 28.90
ready for shipping in 3-5
weeks
TS Optics
Extension tube 7 mm M54
$ 43.90
ready for shipping in 1-2
weeks
ASToptics
Extension tube M68 fine tuning ring - 1mm (aluminium)
$ 15.90
ready for shipping in 1-2
weeks
Celestron
Extension tube T2 Set
$ 80.00
ready for shipping in 1-2
weeks
Baader
Extension tube UFC S70 VariLock 15-20mm extender
$ 120.00
ready for shipping in 1-2
weeks
ASToptics
Extension tube T2 fine tuning ring - 1mm (aluminium)
$ 11.90
ready for shipping in 1-2
weeks
ASToptics
Extension tube T2 fine tuning ring - 2mm (aluminium)
$ 11.90
ready for shipping in 1-2
weeks
ASToptics
Extension tube M48 (2") Fine tuning ring - 0.5mm (aluminium)
$ 11.90
ready for shipping in 1-2
weeks
ASToptics
Extension M48 - 15mm
$ 22.90
Product can be shipped as of 10.07.2026
Baader
2" extension for 2" ClickLock
$ 104.00
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
Baader
Extension tube M54 10mm
$ 45.90
ready for shipping in 1-2
weeks
TS Optics
Extension tube M68 15mm
$ 58.00
ready for shipping in 3-7
days
TS Optics
Extension tube M54 5mm
$ 42.90
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
TeleVue
Extension tube 2" eyepiece extender
$ 58.00
ready for shipping in 6-10
weeks
Baader
Extension tube VariLock 46 lockable T-2 29-46mm extender, with lock spanner
$ 84.00
ready for shipping in 1-2
weeks
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 Tubes for C-mount lenses, six-piece
$ 54.00
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 M54 1mm
$ 19.90
ready for shipping in 1-2
weeks
TS Optics
Extension tube M68 40mm
$ 67.00
ready for shipping in 3-7
days
TS Optics
T2 extension tube, 5mm optical path
$ 23.90
ready for shipping in 3-7
days
TS Optics
T2 extension ring, optical path 3mm
$ 23.90
ready for shipping in 3-7
days
TS Optics
Extension tube T2 10mm
$ 23.90
ready for shipping in 3-7
days
Baader
Extension tube VariLock 29 lockable T-2 20-29mm extender, with lock spanner
$ 80.00
ready for shipping in 1-2
weeks
Baader
Extension tube Fine-tuning ring for M48 0.3mm
$ 15.90
ready for shipping in 1-2
weeks
PrimaLuceLab
Extension tube M56 15mm for ESATTO 2" and ARCO 2"
$ 52.00
ready for shipping in 1-2
weeks
Baader
Extension tube T2 40mm
$ 30.90
ready for shipping in 1-2
weeks
TS Optics
2" extension tube with filter thread on both ends, 30mm optical path
$ 34.90
ready for shipping in 3-7
days
Baader
Extension tube M48 10mm
$ 30.90
ready for shipping in 1-2
weeks
Baader
Extension tube M48 7.5mm
$ 29.90
ready for shipping in 1-2
weeks