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Telescope accessories (288)

Adaptors (288)

Extension tubes (134)

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Other Adaptors (25)

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Availability

in stock (100)

short-term (167)

long-term (21)

Baader Extension tube Fine-tuning ring for M48 1.0 mm

Baader

Extension tube Fine-tuning ring for M48 1.0 mm

$ 16.90

ready for shipping in 1-2 weeks

Starlight Xpress M54 adapter (male) for SX USB filter wheel

Starlight Xpress

M54 adapter (male) for SX USB filter wheel

$ 59.00

ready for shipping in 3-6 months

TeleVue Imaging System extension tube, 1mm

TeleVue

Imaging System extension tube, 1mm

$ 19.90

ready for shipping in 6-10 weeks

TS Optics

M63/M68 adapter

$ 53.00

ready for shipping in 3-7 days

Artesky

Extension tube T2 10mm

$ 23.90

ready for shipping in 3-5 weeks

Artesky

SC Adapter 2,5" UltraLight V3

$ 58.00

ready for shipping in 3-5 weeks

TS Optics Adapter 1.25" Filter Holder for T2-threads

TS Optics

Adapter 1.25" Filter Holder for T2-threads

$ 39.90

Product can be shipped as of 01.02.2026

Vixen

VMC/VC200L extension tube

$ 40.90

ready for shipping in 1-2 weeks

Explore Scientific Crayford OAZ focuser to 3" corrector adapter

Explore Scientific

Crayford OAZ focuser to 3" corrector adapter

$ 38.90

ready for shipping in 24 h

Baader Adapter ZEISS threaded ring M44i/T-2i

Baader

Adapter ZEISS threaded ring M44i/T-2i

$ 48.90

ready for shipping in 1-2 weeks

Baader Adapter Hyperion DT-ring SP54/M 55

Baader

Adapter Hyperion DT-ring SP54/M 55

$ 26.90

ready for shipping in 1-2 weeks

TeleVue Imaging System 2mm extension tube

TeleVue

Imaging System 2mm extension tube

$ 19.90

ready for shipping in 6-10 weeks

TeleVue

M54 Camera Adapter

$ 59.00

ready for shipping in 6-10 weeks

Artesky

Extension tube T2 15mm

$ 21.90

ready for shipping in 3-5 weeks

Artesky

SC Adapter 2" UltraLight V3

$ 45.90

ready for shipping in 3-5 weeks

Askar

Adapter T2/M48 Adaptors

$ 29.90

ready for shipping in 3-5 weeks

TS Optics

Adapter M68a Umkehrring

$ 44.90

ready for shipping in 1-2 weeks

Baader

Adapter Reducer 1.25" on 24.5mm

$ 46.90

ready for shipping in 1-2 weeks

Baader Adapter Hyperion DT-ring SP54/M 58

Baader

Adapter Hyperion DT-ring SP54/M 58

$ 26.90

ready for shipping in 1-2 weeks

Baader

Adapter M68a Umkehrring

$ 48.90

ready for shipping in 1-2 weeks

Paton Hawksley

Extension tube Spacer SA

$ 28.90

ready for shipping in 3-6 months

Baader

Adapter T2 guard ring

$ 26.90

ready for shipping in 1-2 weeks

Skywatcher Extension tube Adaptor for Cameras with 1.25" Nosepieces

Skywatcher

Extension tube Adaptor for Cameras with 1.25" Nosepieces

$ 28.90

ready for shipping in 24 h

TeleVue

48-mm Filter Adapter for 2.4"

$ 59.00

ready for shipping in 6-10 weeks

Geoptik 2" to 1.25" reducing adapter for filters

Geoptik

2" to 1.25" reducing adapter for filters

$ 35.90

ready for shipping in 24 h

Baader Extension tube Fine-Adjustment Rings T2 0.3mm

Baader

Extension tube Fine-Adjustment Rings T2 0.3mm

$ 16.90

ready for shipping in 1-2 weeks

Baader Extension tube Fine-Adjustment Rings T2 0.5mm

Baader

Extension tube Fine-Adjustment Rings T2 0.5mm

$ 16.90

ready for shipping in 1-2 weeks

Baader Adapter 2" reverse ring with 48mm filter thread for 2" filters

Baader

Adapter 2" reverse ring with 48mm filter thread for 2" filters

$ 37.90

ready for shipping in 1-2 weeks

Baader Extension tube Fine-Adjustment Rings T2 1mm

Baader

Extension tube Fine-Adjustment Rings T2 1mm

$ 15.90

ready for shipping in 1-2 weeks

Starlight Xpress M48 adapter (female) for SX USB filter wheel

Starlight Xpress

M48 adapter (female) for SX USB filter wheel

$ 59.00

ready for shipping in 3-6 months

TeleVue Adapter Adaptors 2.4" / M48 - Paracorr

TeleVue

Adapter Adaptors 2.4" / M48 - Paracorr

$ 59.00

Product can be shipped as of 01.02.2026

Artesky

2" to 1.25" reducer adapter

$ 35.90

ready for shipping in 3-5 weeks

Artesky

Extension tube T2 4mm

$ 23.90

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)

$ 17.90

ready for shipping in 1-2 weeks

Starlight Xpress M48 adapter (male) for SX USB filter wheel

Starlight Xpress

M48 adapter (male) for SX USB filter wheel

$ 59.00

ready for shipping in 3-6 months

ASToptics

2" extension tube, 40mm

$ 53.00

ready for shipping in 3-6 months