Orion Expanse 20mm Wide Field Eyepiece (1.25")

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  • This 20mm Expanse 1.25" telescope eyepiece offers a wide field of view and superior optical performance at a bargain price
  • Long 18mm eye relief lets eyeglass wearers view the entire field comfortably without removing their glasses
  • Expanse eyepieces offer a wide 66-degree apparent field of view to let you see more of the sky
  • Delivers sharp views with good color correction and high contrast
  • Aluminum barrel is internally blackened to eliminate internal light scattering, and is threaded to accept 1.25" Orion filters
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