Extension tubes < Adaptors < Telescope accessories < Astronomy - 60 - 120 $ | OPTICS-PRO

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Astronomy (1336)

Telescope accessories (810)

Extension tubes (17)

Extension & reduction adaptors (101)

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Price

60 - 120 $ (17)

< 60 $ (155)

120 - 180 $ (2)

180 - 230 $ (1)

230 - 350 $ (4)

350 - 580 $ (2)

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ASToptics (1)

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Connection (to the telescope)

2" (3)

M117 (2)

M48 (3)

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Availability

in stock (5)

short-term (12)

Explore Scientific Extension tube M48 set

Explore Scientific

Extension tube M48 set

$ 65.00

Product can be shipped as of 15.09.2026

Omegon Extension tube 2'' Twist-lock adapter

Omegon

Extension tube 2'' Twist-lock adapter

$ 99.00

ready for shipping in 24 h

ASToptics Extension tube Variable M48 extender, 23-29mm

ASToptics

Extension tube Variable M48 extender, 23-29mm

$ 81.00

ready for shipping in 24 h

William Optics 4" extension adapter for Flat GT

William Optics

4" extension adapter for Flat GT

$ 116.00

ready for shipping in 24 h

TeleVue 3.5" Extension Tube

TeleVue

3.5" Extension Tube

$ 124.00

ready for shipping in 6-10 weeks

Celestron Extension tube T2 Set

Celestron

Extension tube T2 Set

$ 81.00

ready for shipping in 1-2 weeks

Baader 2" extension for 2" ClickLock

Baader

2" extension for 2" ClickLock

$ 106.00

ready for shipping in 1-2 weeks

Baader Extension tube VariLock 46 lockable T-2 29-46mm extender, with lock spanner

Baader

Extension tube VariLock 46 lockable T-2 29-46mm extender, with lock spanner

$ 86.00

ready for shipping in 1-2 weeks

TS Optics Extension tube M68 40mm

TS Optics

Extension tube M68 40mm

$ 68.00

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

$ 81.00

ready for shipping in 1-2 weeks

TS Optics Extension tube 23.5 - 27 mm M54

TS Optics

Extension tube 23.5 - 27 mm M54

$ 82.00

ready for shipping in 1-2 weeks

Astroprints Extension tube ToupTek AAF motor attachment kit for UNCN2-G2 and TSRPN2 focusers

Astroprints

Extension tube ToupTek AAF motor attachment kit for UNCN2-G2 and TSRPN2 focusers

RRP: $ 116.00

Our price:

ready for shipping in 24 h

TeleVue Extension tube 2" extender

TeleVue

Extension tube 2" extender

$ 124.00

ready for shipping in 6-10 weeks

Baader Extension tube 2" deluxe 60mm extender

Baader

Extension tube 2" deluxe 60mm extender

$ 87.00

ready for shipping in 1-2 weeks

TS Optics Extension tube M48 / M63 variabel 20.5 - 31mm

TS Optics

Extension tube M48 / M63 variabel 20.5 - 31mm

$ 66.00

ready for shipping in 24 h

TS Optics Extension tube for RC telescopes from 10" aperture, 25mm

TS Optics

Extension tube for RC telescopes from 10" aperture, 25mm

$ 69.00

ready for shipping in 3-7 days

TS Optics extension tube 50mm for RC focusers

TS Optics

extension tube 50mm for RC focusers

$ 100.00

ready for shipping in 3-7 days

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