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...

With unsurpassed optical clarity and a short focal length, the XW 5.0 offers a 70 degree field of view for easier viewing. All of our eyepieces are constructed with a high-refraction, low-dispersion lanthanum glass that consistently delivers bright,...

BACK IN STOCK! Proxima 8-24mm Zoom Eyepiece IDENTICAL TO THE WILLIAMS OPTICS ZOOM. The New Proxima 8mm to 24mm zoom has all you need, 20mm of eye relief. ,Adjustable, screw up eyecup full multi-coating, safety grip ring. Apparent field ranges from...