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Orion 1.25" Extension Tube - 05123

SKU: ORI-05123

Orion 1.25" Extension Tube 05123

  • Orion 1.25" Extension Tube is a multipurpose extension adapter for 1.25" telescope accessories and eyepieces adding 2" of extension.

  • The Telescope Extension Tube gives extra focuser back travel often recommended for short-range astrophotographic applications or terrestrial viewing.

  • Made of anodized aluminum and is threaded for use with 1.25" telescope eyepiece filters.

  • Features two thumbscrews for securely fastening your telescope eyepieces or accessories.

The Orion 1.25" Telescope Eyepiece Extension Tube enables extra focuser "back travel" that is sometimes needed to accomplish focus with a particular eyepiece and telescope combinations. The Orion 1.25" Telescope Eyepiece Extension Tube is made of anodized, machined aluminum, features two locking thumbscrews and is threaded for filters. For short-range terrestrial viewing or with use of a field flattener, focal reducer lens, or coma corrector all require more back travel. The 1.25" and 2" models offered by Orion fit 1.25" eyepieces and 2" accessories respectively. Each adds 2" of length of extension.