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Telescope accessories (1046)

Extension tubes (155)

Extension & reduction adaptors (166)

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Availability

in stock (53)

short-term (100)

long-term (2)

TS Optics Extension tube 35mm 1.25"

TS Optics

Extension tube 35mm 1.25"

$ 32.90

ready for shipping in 3-7 days

ASToptics Extension M48 - 15mm

ASToptics

Extension M48 - 15mm

$ 22.90

ready for shipping in 24 h

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

ASToptics

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

$ 11.90

ready for shipping in 1-2 weeks

ZWO Extension tube 7.5 mm M54

ZWO

Extension tube 7.5 mm M54

$ 40.90

ready for shipping in 24 h

Omegon Extension tube Extender 7 mm T-thread

Omegon

Extension tube Extender 7 mm T-thread

$ 29.90

ready for shipping in 24 h

ASToptics T2 extension tube - 9mm in length

ASToptics

T2 extension tube - 9mm in length

$ 34.90

ready for shipping in 24 h

ASToptics T2 extension tube - 8mm long

ASToptics

T2 extension tube - 8mm long

$ 34.90

ready for shipping in 24 h

Omegon Extension tube Extender 30 mm T- thread

Omegon

Extension tube Extender 30 mm T- thread

$ 29.90

ready for shipping in 24 h

Omegon 15mm T2i/T2a T2 extension ring

Omegon

15mm T2i/T2a T2 extension ring

$ 19.90

ready for shipping in 24 h

Baader Extension tube Hypoerion Finetuning ring 28mm

Baader

Extension tube Hypoerion Finetuning ring 28mm

$ 22.90

ready for shipping in 1-2 weeks

Baader Extension tube M54 7.5mm

Baader

Extension tube M54 7.5mm

$ 37.90

ready for shipping in 1-2 weeks

Baader Extension tube M54 5mm

Baader

Extension tube M54 5mm

$ 36.90

ready for shipping in 1-2 weeks

TS Optics Extension tube M54 1mm

TS Optics

Extension tube M54 1mm

$ 19.90

ready for shipping in 1-2 weeks

Paton Hawksley Extension tube Spacer SA

Paton Hawksley

Extension tube Spacer SA

$ 28.90

ready for shipping in 24 h

TS Optics Extension tube 7 mm M54

TS Optics

Extension tube 7 mm M54

$ 43.90

ready for shipping in 1-2 weeks

ASToptics Extension Tube M48 - 2'' - Filter thread - 9 mm Length

ASToptics

Extension Tube M48 - 2'' - Filter thread - 9 mm Length

$ 34.90

ready for shipping in 24 h

Baader Extension tube M54 15mm

Baader

Extension tube M54 15mm

$ 40.90

ready for shipping in 1-2 weeks

Bresser Extension tube 37.5mm 2.5" Hexafoc

Bresser

Extension tube 37.5mm 2.5" Hexafoc

$ 22.90

ready for shipping in 24 h

Artesky Extension tube T2 3mm

Artesky

Extension tube T2 3mm

$ 20.90

ready for shipping in 24 h

Baader Extension tube M54 10mm

Baader

Extension tube M54 10mm

$ 45.90

ready for shipping in 1-2 weeks

TS Optics Extension tube M68 15mm

TS Optics

Extension tube M68 15mm

$ 58.00

ready for shipping in 3-7 days

TS Optics Extension Tubes for C-mount lenses, six-piece

TS Optics

Extension Tubes for C-mount lenses, six-piece

$ 54.00

ready for shipping in 3-7 days

TS Optics Extension tube 35mm 2"

TS Optics

Extension tube 35mm 2"

$ 37.90

ready for shipping in 24 h

TS Optics Extension tube T2 10mm

TS Optics

Extension tube T2 10mm

$ 23.90

ready for shipping in 3-7 days

ZWO Extension tube 16.5mm M48

ZWO

Extension tube 16.5mm M48

$ 45.90

ready for shipping in 3-5 weeks

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

Baader Extension tube M43 7,5mm

Baader

Extension tube M43 7,5mm

$ 22.90

ready for shipping in 1-2 weeks

Omegon 2" extension tube

Omegon

2" extension tube

$ 19.90

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

ASToptics T-Thread extension kit / 7mm

ASToptics

T-Thread extension kit / 7mm

$ 58.00

ready for shipping in 24 h

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

ASToptics

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

$ 45.90

ready for shipping in 24 h

ASToptics M54*0.75 - 8mm extension ring

ASToptics

M54*0.75 - 8mm extension ring

$ 40.90

ready for shipping in 24 h

ASToptics T2 extension tube - 4mm long

ASToptics

T2 extension tube - 4mm long

$ 34.90

ready for shipping in 24 h

ASToptics Extension Tube M48 Filter thread - 25mm Length 2"

ASToptics

Extension Tube M48 Filter thread - 25mm Length 2"

$ 58.00

ready for shipping in 24 h

TS Optics 2“ extension tube, 80mm optical path

TS Optics

2“ extension tube, 80mm optical path

$ 41.90

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

Product can be shipped as of 30.09.2026

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