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in stock (65)

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long-term (10)

Baader Extension tube M54 30mm

Baader

Extension tube M54 30mm

$ 41.90

ready for shipping in 1-2 weeks

TS Optics Extension tube 35mm 2"

TS Optics

Extension tube 35mm 2"

$ 37.90

ready for shipping in 24 h

Omegon Extension tube 45mm Extender 2''

Omegon

Extension tube 45mm Extender 2''

$ 34.90

ready for shipping in 24 h

TeleVue 3.5" Extension Tube

TeleVue

3.5" Extension Tube

RRP: $ 134.00

Our price:

ready for shipping in 6-10 weeks

Artesky Extension tube T2 7.5mm

Artesky

Extension tube T2 7.5mm

$ 22.90

ready for shipping in 3-5 weeks

Artesky Extension tube T2 5mm

Artesky

Extension tube T2 5mm

$ 22.90

ready for shipping in 3-5 weeks

Artesky Extension tube T2 10mm

Artesky

Extension tube T2 10mm

$ 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

ASToptics 2" extension tube, 40mm

ASToptics

2" extension tube, 40mm

$ 51.00

ready for shipping in 24 h

ASToptics Extension tube M68 fine tuning ring - 0.5mm (aluminium)

ASToptics

Extension tube M68 fine tuning ring - 0.5mm (aluminium)

$ 13.90

ready for shipping in 1-2 weeks

Askar Extension tube Adaptors M54/M48 16-20mm

Askar

Extension tube Adaptors M54/M48 16-20mm

$ 191.00

ready for shipping in 24 h

TS Optics Extension tube Fine Tuning Ring for T2-thread - thickness 0.5 mm

TS Optics

Extension tube Fine Tuning Ring for T2-thread - thickness 0.5 mm

$ 16.90

ready for shipping in 3-7 days

TeleVue Extension tube 2" eyepiece extender

TeleVue

Extension tube 2" eyepiece extender

$ 67.00

ready for shipping in 6-10 weeks

TS Optics Extension tube Fine Tuning Ring for T2-thread - thickness 1.5 mm

TS Optics

Extension tube Fine Tuning Ring for T2-thread - thickness 1.5 mm

$ 16.90

ready for shipping in 3-7 days

TS Optics Extension tube M54 1mm

TS Optics

Extension tube M54 1mm

$ 19.90

ready for shipping in 1-2 weeks

TS Optics Extension tube M54 1.5mm

TS Optics

Extension tube M54 1.5mm

$ 19.90

ready for shipping in 1-2 weeks

TS Optics T2 extension tube, 5mm optical path

TS Optics

T2 extension tube, 5mm optical path

$ 23.90

ready for shipping in 3-7 days

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 1.25" to length of base

Starlight Instruments

Extension tube 2.5" diameter riser, adds 1.25" to length of base

$ 314.00

ready for shipping in 3-6 months

Starlight Instruments Extension tube 3.0" diameter riser, adds 1.25" to length of base

Starlight Instruments

Extension tube 3.0" diameter riser, adds 1.25" to length of base

$ 314.00

ready for shipping in 3-6 months

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

TS Optics Extension tube T2 26mm extender

TS Optics

Extension tube T2 26mm extender

$ 24.90

ready for shipping in 3-7 days

Baader Extension tube Fine-tuning ring for M48 0.3mm

Baader

Extension tube Fine-tuning ring for M48 0.3mm

$ 15.90

ready for shipping in 1-2 weeks

TS Optics Extension tube M68 extender, 5mm total optical path

TS Optics

Extension tube M68 extender, 5mm total optical path

RRP: $ 56.00

Our price:

ready for shipping in 3-7 days

TS Optics Extension tube, 2", 3mm

TS Optics

Extension tube, 2", 3mm

$ 33.90

ready for shipping in 3-7 days

TS Optics 2" extension tube with filter thread on both ends, 20mm optical path

TS Optics

2" extension tube with filter thread on both ends, 20mm optical path

$ 33.90

ready for shipping in 3-7 days

TS Optics 2" extension tube with filter thread on both ends, 10mm optical path

TS Optics

2" extension tube with filter thread on both ends, 10mm optical path

$ 33.90

ready for shipping in 24 h

TS Optics 2" extension tube with filter thread at both ends, 15mm optical path

TS Optics

2" extension tube with filter thread at both ends, 15mm optical path

$ 33.90

ready for shipping in 3-7 days

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