Extender Tubes

Extension Tubes

To adjust the back focus, projection distances and working distances, extension sleeves are required, which you can find in this category.

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Extension Tube 2" with double sided 2" filter thread, length 5mm
14.29 €
Extension Tube 2" with double sided 2" filter thread, length 8 mm
14.29 €
GSO Extension Tube for the RC Telescopes - Length 25 mm.
32.77 €
GSO Extension Tube for the RC Telescopes - Length 50 mm.
41.18 €
GSO Extension Tube for the GSO RC 10" and 12" Telescopes - Length 25 mm.
49.58 €
GSO Extension Tube for the GSO RC 10" and 12" Telescopes - Length 50 mm.
57.98 €
Starlight RISER for 2" Feather Touch 0.65" length This riser is attached to the OTA side of the focuser.
72.90 €
Starlight RISER for 2" Feather Touch 1.4" length This riser is attached to the OTA side of the focuser.
77.00 €
Starlight RISER for 2" Feather Touch 2.75" length This riser is attached to the OTA side of the focuser.
89.29 €
Starlight RISER for 2" Feather Touch 3.75" length This riser is attached to the OTA side of the focuser.

97.48 €
Starlight RISER for 2,5" Feather Touch - 2.25" length This riser is attached to the OTA side of the focuser. The riser fits all FTF25xx focuser.Delivered with: Starlight RISER for 2,5" Feather Touch - 2.25" length
142.02 €
Starlight RISER for 3" Feather Touch - 2.25" length This riser is attached to the OTA side of the focuser. The riser fits all FTF30xx focuser.Delivered with: Starlight RISER for 3" Feather Touch - 2.25" length
171.43 €