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Orion Telescopes

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2" Orion Telescope Eyepiece Extension Tube
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  • Extension tube provides extra focuser "back travel" often needed for short-range terrestrial viewing through a telescope, or for astrophotographic applications
  • Adds 2" of extension, fits in 2" telescope focusers, and accepts 2" eyepieces or accessories
  • Features two locking thumbscrews to secure any inserted astronomy accessory
  • Threaded for use with 2" Orion eyepiece and astrophotography filters
  • Machined and anodized aluminum tube

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Item #  05124

This anodized, aluminum 2" Orion Eyepiece Extension Tube provides extra focuser "back travel" sometimes needed to achieve focus with certain eyepiece/telescope combinations. More back travel is often needed for short-range terrestrial viewing or with use of a field flattener, coma corrector, or focal reducer lens. We offer 1.25" and 2" models, which fit 1.25" eyepieces and 2" eyepieces, respectively. Each adds 2" of length extension. Each also has two locking thumbscrews and is threaded for filters.


Limited Warranty against defects in materials or workmanship for one year from date of purchase. This warranty is for the benefit of the original retail purchaser only. For complete warranty details contact us at 800-676-1343.

Orders received by 1pm Eastern Time for in-stock items ship the same business day. Orders received after 1pm will ship the next business day. When an item is not in-stock we will ship it as soon as it becomes available. Typically in-stock items will ship first and backordered items will follow as soon as they are available. You have the option in check out to request that your order ship complete, if you'd prefer.

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