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in stock (65)

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long-term (10)

TS Optics Extension tube M68 40mm

TS Optics

Extension tube M68 40mm

$ 66.00

ready for shipping in 3-7 days

TS Optics T2 extension ring, optical path 3mm

TS Optics

T2 extension ring, optical path 3mm

$ 23.90

ready for shipping in 3-7 days

TS Optics Extension tube T2 10mm

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

Baader

Extension tube VariLock 29 lockable T-2 20-29mm extender, with lock spanner

$ 78.00

ready for shipping in 1-2 weeks

ASToptics Extension Tube M48 - 2" - Filter thread - 16mm Length

ASToptics

Extension Tube M48 - 2" - Filter thread - 16mm Length

$ 44.90

ready for shipping in 24 h

TS Optics T2 extension tube, 8mm optical path

TS Optics

T2 extension tube, 8mm optical path

$ 23.90

ready for shipping in 3-7 days

PrimaLuceLab Extension tube M56 15mm for ESATTO 2" and ARCO 2"

PrimaLuceLab

Extension tube M56 15mm for ESATTO 2" and ARCO 2"

$ 51.00

ready for shipping in 1-2 weeks

ZWO Extension tube 21mm T2

ZWO

Extension tube 21mm T2

$ 39.90

ready for shipping in 3-5 weeks

ZWO Extension tube 16.5mm M48

ZWO

Extension tube 16.5mm M48

$ 44.90

Product can be shipped as of 01.11.2026

ZWO Extension tube 11mm T2

ZWO

Extension tube 11mm T2

$ 39.90

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 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

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

$ 38.90

ready for shipping in 3-7 days

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

Baader Extension tube M48 5mm

Baader

Extension tube M48 5mm

$ 29.90

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 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

$ 30.90

ready for shipping in 1-2 weeks

Baader Extension tube M48 7.5mm

Baader

Extension tube M48 7.5mm

$ 29.90

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

TS Optics 1.25" extension tube, 25mm optical path

TS Optics

1.25" extension tube, 25mm optical path

$ 28.90

ready for shipping in 3-7 days

Baader Extension tube M54 40mm

Baader

Extension tube M54 40mm

$ 43.90

ready for shipping in 1-2 weeks

Baader Extension tube M48 15mm

Baader

Extension tube M48 15mm

$ 32.90

ready for shipping in 1-2 weeks

GSO Extension tube 50mm extender for RC telescopes

GSO

Extension tube 50mm extender for RC telescopes

$ 56.00

ready for shipping in 3-7 days

Artesky Extension tube Fine Tuning Ring Set T2

Artesky

Extension tube Fine Tuning Ring Set T2

$ 28.90

ready for shipping in 3-5 weeks

Baader Extension tube M48 30 mm 2"

Baader

Extension tube M48 30 mm 2"

$ 34.90

ready for shipping in 1-2 weeks

Artesky Extension tube T2 3mm

Artesky

Extension tube T2 3mm

$ 20.90

ready for shipping in 24 h

Baader Extension tube M54 7.5mm

Baader

Extension tube M54 7.5mm

$ 37.90

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

Bresser Extension tube 25mm 2.5" Hexafoc

Bresser

Extension tube 25mm 2.5" Hexafoc

$ 20.90

ready for shipping in 24 h

Baader Extension tube M54 5mm

Baader

Extension tube M54 5mm

$ 36.90

ready for shipping in 1-2 weeks

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

$ 37.90

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

Starlight Instruments Extension adding 2.25 inches to overall length

Starlight Instruments

Extension adding 2.25 inches to overall length

$ 314.00

ready for shipping in 3-6 months

Starlight Instruments Extension tube 2.5" diameter riser, adds 2.25" to length of base

Starlight Instruments

Extension tube 2.5" diameter riser, adds 2.25" to length of base

$ 314.00

ready for shipping in 3-6 months

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