PENTAX XW 20mm Eyepiece 1.25"

Manufactured by: Pentax
Model: XW20

$359.00



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The XW 20 eyepiece is designed for use with a wide range of PENTAX spotting scopes and telescopes. Ideal for both ground and astronomical observations, this eyepiece features fully multi-coated lenses to increase light transmission and color quality, high-refraction lanthanum glass elements for high-resolution images with minimal aberrations, and JIS Class 4 weatherproof construction for durability. Engineered using advanced computer simulation design technology, this high-performance eyepiece provides a 70 degree field of view and 20mm eye relief.

Lens Structure:6 elements, 4 groups
Focal Length:20mm
Apparent Field of View:70 degrees
Eye Relief:20mm
Attachment Diameter:1.25" (31.7mm)
Filter Diameter:28.6mm
Field Stop Diameter:24.0mm
Eyepiece Ring:Helicoid type
Height & Width:3.4" x 2.4"

  • Improved 70 degree field of view for wider views
  • XW 3.5mm, 5mm, 7mm, 10mm, 14mm, 20mm, 30mm, and 40mm provide a wider field of view than previous PENTAX eyepieces
  • All Pentax XW series eyepieces may be used with astronomical telescopes with appropriate 1.25" or 2" focusers.
  • XW 3.5mm, 5mm, 7mm, 10mm, 14mm, 20mm eyepieces may be used with our PF series Spotting Scopes (except PF 63 Zoom)
  • Full multi-coated lenses increase light transmission and contrast
  • High refraction, extra-low dispersion lanthanum glass elements deliver bright, high resolution images with minimal distortions and aberrations
  • Advanced computer simulation design technology implemented to drastically reduce internal reflections, producing brighter, clearer images
  • Weatherproof construction for greater durability
  • Long eye relief for comfortable viewing with or without glasses

    The PENTAX "Worry Free" Warranty is available on all PENTAX Sport Optics products purchased in the United States from an authorized PENTAX dealer. More..



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