Pentax XW 14 20mm Black eyepiece

9.652 cm (3.8 ") x 2.4", 365g, black The XW 14 eyepiece is designed for use with a wide range of PENTAX spotting scopes and telescopes. Featuring 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, this eyepiece is ideal for ground and astronomical observations. Like all eyepieces in this series, the XW14 provides a 70 degree field of view and 20mm eye relief for comfortable viewing.