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Availability

in stock (59)

short-term (90)

long-term (4)

ZWO Extension tube 11mm T2

ZWO

Extension tube 11mm T2

$ 38.90

ready for shipping in 3-5 weeks

Baader Extension tube T2 40mm

Baader

Extension tube T2 40mm

$ 30.90

ready for shipping in 1-2 weeks

TS Optics T2 extension ring, optical path 20mm

TS Optics

T2 extension ring, optical path 20mm

$ 24.90

ready for shipping in 3-7 days

TS Optics T2 spacer and extension tube, optical path 20.5 mm to 30mm

TS Optics

T2 spacer and extension tube, optical path 20.5 mm to 30mm

$ 37.90

ready for shipping in 3-7 days

TS Optics 2" extension tube with filter thread on both ends, 30mm optical path

TS Optics

2" extension tube with filter thread on both ends, 30mm optical path

$ 33.90

ready for shipping in 3-7 days

Baader Extension tube M54 15mm

Baader

Extension tube M54 15mm

$ 39.90

ready for shipping in 1-2 weeks

Baader Extension tube M48 10mm

Baader

Extension tube M48 10mm

$ 29.90

ready for shipping in 1-2 weeks

Baader Extension tube M48 5mm

Baader

Extension tube M48 5mm

$ 28.90

ready for shipping in 24 h

Baader Extension tube M43 7,5mm

Baader

Extension tube M43 7,5mm

$ 22.90

ready for shipping in 1-2 weeks

Baader Extension tube M48 7.5mm

Baader

Extension tube M48 7.5mm

$ 28.90

ready for shipping in 1-2 weeks

ASToptics T2 extension tube - 4mm long

ASToptics

T2 extension tube - 4mm long

$ 33.90

ready for shipping in 24 h

Baader Extension tube M54 40mm

Baader

Extension tube M54 40mm

$ 43.90

ready for shipping in 1-2 weeks

TS Optics 1.25" extension tube, 25mm optical path

TS Optics

1.25" extension tube, 25mm optical path

$ 27.90

ready for shipping in 3-7 days

Baader Extension tube M48 15mm

Baader

Extension tube M48 15mm

$ 32.90

ready for shipping in 1-2 weeks

Artesky Extension tube Fine Tuning Ring Set T2

Artesky

Extension tube Fine Tuning Ring Set T2

$ 27.90

Product can be shipped as of 13.11.2026

Baader Extension tube M48 30 mm 2"

Baader

Extension tube M48 30 mm 2"

$ 34.90

ready for shipping in 1-2 weeks

Baader Extension tube M54 7.5mm

Baader

Extension tube M54 7.5mm

$ 36.90

ready for shipping in 1-2 weeks

Baader Extension tube DT-4 Verlaengerungshuelse 31,8mm (1 ¼ ")

Baader

Extension tube DT-4 Verlaengerungshuelse 31,8mm (1 ¼ ")

$ 21.90

ready for shipping in 1-2 weeks

Baader Extension tube M54 5mm

Baader

Extension tube M54 5mm

$ 35.90

ready for shipping in 1-2 weeks

Bresser Extension tube 25mm 2.5" Hexafoc

Bresser

Extension tube 25mm 2.5" Hexafoc

$ 19.90

ready for shipping in 24 h

Omegon M48 Extension - 20mm

Omegon

M48 Extension - 20mm

$ 24.90

ready for shipping in 24 h

Vixen VMC/VC200L extension tube

Vixen

VMC/VC200L extension tube

$ 36.90

ready for shipping in 24 h

Baader Extension tube Fine Tuning Ring for M48 thickness 0.5mm

Baader

Extension tube Fine Tuning Ring for M48 thickness 0.5mm

$ 15.90

ready for shipping in 1-2 weeks

TS Optics Extension tube 35mm 2"

TS Optics

Extension tube 35mm 2"

$ 36.90

ready for shipping in 3-7 days

Baader Extension tube M54 30mm

Baader

Extension tube M54 30mm

$ 41.90

ready for shipping in 1-2 weeks

Artesky Extension tube T2 5mm

Artesky

Extension tube T2 5mm

$ 22.90

ready for shipping in 3-5 weeks

Artesky Extension tube T2 7.5mm

Artesky

Extension tube T2 7.5mm

$ 22.90

ready for shipping in 3-5 weeks

ASToptics Extension tube M68 fine tuning ring - 0.3mm (aluminium)

ASToptics

Extension tube M68 fine tuning ring - 0.3mm (aluminium)

$ 16.90

ready for shipping in 1-2 weeks

TS Optics Extension tube 7 mm M54

TS Optics

Extension tube 7 mm M54

$ 42.90

ready for shipping in 1-2 weeks

Artesky Extension tube T2 15mm

Artesky

Extension tube T2 15mm

$ 20.90

ready for shipping in 3-5 weeks

ASToptics Extension tube M68 fine tuning ring - 1mm (aluminium)

ASToptics

Extension tube M68 fine tuning ring - 1mm (aluminium)

$ 15.90

ready for shipping in 1-2 weeks

Artesky Extension tube Fine Tuning Ring Set M54

Artesky

Extension tube Fine Tuning Ring Set M54

$ 33.90

ready for shipping in 3-5 weeks

ASToptics Extension tube T2 fine tuning ring - 1mm (aluminium)

ASToptics

Extension tube T2 fine tuning ring - 1mm (aluminium)

$ 11.90

ready for shipping in 1-2 weeks

ASToptics Extension tube M48 (2") Fine tuning ring - 0.5mm (aluminium)

ASToptics

Extension tube M48 (2") Fine tuning ring - 0.5mm (aluminium)

$ 11.90

ready for shipping in 1-2 weeks

ASToptics Extension tube T2 fine tuning ring - 2mm (aluminium)

ASToptics

Extension tube T2 fine tuning ring - 2mm (aluminium)

$ 11.90

ready for shipping in 1-2 weeks

ASToptics Extension tube T2 fine-tuning ring - 0.5mm (aluminium)

ASToptics

Extension tube T2 fine-tuning ring - 0.5mm (aluminium)

$ 11.90

ready for shipping in 1-2 weeks

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