Blue Fireball 1.25" Eyepiece Extension Tube with 1" Extension # X-01

Our #: PAAR-BF-X-01
Mfg #: X-01
Our Price: $20.95
Free shipping for this item in the US
More Info

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All items we sell ship for free within the Contiguous US. Shipping will be via the cheapest shipping method which will vary depending on the items in your order. During checkout, you may also be shown other optional faster shipping choices.

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$25 Order Minimum Applies
In Stock (10+ Available)
Stock listed above is accurate & shown in real time
Ships by Next Business Day

Product Details

Description/Uses:

  • Adds 25.4mm (1") of back-focus travel to your telescope focuser *
  • Fits standard 1.25" eyepiece tubes in telescopes and accessories like diagonals
  • With this, eyepieces and accessories that you may not have been able to use because your telescope tube was too short are usable again

Features:

  • Precision machined from aluminum and black anodized
  • Threaded to accept standard 1.25" astronomy filters
  • Features a brass compression ring so the inserted accessory will not be scratched or dented by the locking thumbscrew

Specifications:

  • Total Length = 1.98" (50.4mm)
  • Outside Length of Upper 1.25" Barrel = 1" (25.4mm)
  • Inside Length of Upper 1.25" Barrel = 0.92" (23.4mm) *
  • Length of Lower 1.25" Barrel = 0.91" (23mm)
  • Maximum Outer Diameter (Excluding Thumbscrew) = 1.5" (38mm)
  • Thread Specification (Telescope End) = M28.5x0.6 Female
  • Thread Specification (Thumbscrew) = M4x0.7 Male
  • Weight = 1.2oz (34g)

Additional Information:

* If the inserted eyepiece does not fully slide into the upper 1.25" barrel, additional in-focus travel will be required by the amount the eyepiece extends out

Other Information

  • Country of Manufacture: China