These anodized, machined aluminum tubes provide 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.
Orion 1.25" Extension Tube
This extension tube is made for 1.25" eyepieces and is threaded for filters. Each adds 2" of length extension and has two locking thumbscrews.
Orion Product Number: 05123
- Additional Information
SKU OR-5123 Manufacturer Orion Warranty Limited Warranty
- Included Items
- Orion 1.25" Extension Tube
- Locking Thumbscrews
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