Compatible with their PF-65 and PF-65 ED II series, PF-80 series, and PF-100 series spotting scopes and just about any telescope that accepts 1.25" eyepieces, the Pentax SMC XW 20mm Eyepiece produces a low magnification that provides a wide field of view, whether you use it for astronomical or terrestrial subjects.

Using low-dispersion lanthanum glass with a 6 elements in 4 groups lens configuration and anti-reflection multi-coatings, views through the eyepiece are crisp and bright with high resolution and minimal distortion. The spacious 70° field of view and exceptional 20mm eye relief ensure maximum comfort for long-duration use.