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Extension Tubes

Extension Tubes provide extra focuser "back travel" often needed for short-range terrestrial viewing through a telescope, or for astrophotographic applications.

23 Items
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Tele Vue 2'' Extension Tube (X2C-0008)
Tele Vue 2" Extension Tube (X2C-0008)
£65.00

Slips into any telescope's 2" drawtube and include brass clamp rings to prevent marring of accessory barrels. Length: 2".

Tele Vue 3.5'' Extension Tube (X3C-0009)
Tele Vue 3.5" Extension Tube (X3C-0009)
£65.00

Slips into any telescope's 2" drawtube and include brass clamp rings to prevent marring of accessory barrels. Length: 3.5".

Baader VariLock 29 T-2 Extension Tube
Baader VariLock 29 T-2 Extension Tube
£59.00

Baader VariLock 29. Lockable T-2 Extension Tube. 20-29mm with spanner tool.

Baader VariLock 46 T-2 Extension Tube
Baader VariLock 46 T-2 Extension Tube
£63.00

Baader VariLock 46. Lockable T-2 Extension Tube. 29-46mm with spanner tool.

Baader T-2 Extension Tube 7.5mm
Baader T-2 Extension Tube 7.5mm
£19.00
Baader T-2 Extension Tube 15mm
Baader T-2 Extension Tube 15mm
£21.00

T-2 Extension Tubes enable you to securely set or vary the spacing between T-2 components.

Baader T-2 Extension Tube 40mm
Baader T-2 Extension Tube 40mm
£23.00
Vernonscope 2'' 3x Extension Tube
Vernonscope 2" 3x Extension Tube
£75.00

Increases magnification to 45x when inserted between prism and eyepiece.

Baader 5/7.5/10/15/30/40mm M54 Extension Tubes
Baader 5/7.5/10/15/30/40mm M54 Extension Tubes
From  £28.00
Baader M48 Extension Tubes (5/7.5/10/15/30/40mm)
From  £20.00
Baader T-2/M48/M54 Fine Adjustment Rings, AluMinium
Baader T-2/M48/M54 Fine Adjustment Rings, AluMinium
From  £6.00
Bresser  25mm Extension Tube for 2.5'' HEXAFOC
Bresser 25mm Extension Tube for 2.5" HEXAFOC
£17.00
Bresser Extension Tube 2''/35mm
Bresser Extension Tube 2"/35mm
£27.00
Bresser T2 Extension Tube Set
Bresser T2 Extension Tube Set
£29.00
M42 (T2)/M48 Extension Tubes
M42 (T2)/M48 Extension Tubes
From  £16.00
William Optics 60mm M92 Extender
£60.00
ZWO Extender Extension Tubes
ZWO Extender Extension Tubes
From  £12.50
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