$350 · Pentax SMC XW10 10 mm eyepiece

Excellent condition – complete with plastic container The Pentax SMC XW10 is a premium 10mm, 1.25-inch astronomical eyepiece featuring a 70-degree apparent field of view, 20mm eye relief, and high-refraction, extra-low-dispersion lanthanum glass. It uses SMC multi-coating for >90% light transmission, features JIS Class 4 weatherproofing, and offers a comfortable, sharp, wide-perspective image.