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...

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,...

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...

Like each eyepiece in its series, the XW 10 eyepiece is designed specifically to provide ideal ground and astronomical observations with a telescope. It features fully multi-coated lenses to increase light transmission and color quality,...

With a focal length of 8.5mm, the high-performance PENTAX XF 8.5 eyepiece is ideal for outdoor viewing and bird watching. As a standard unifocal eyepiece it offers a 60 degree apparent field of view, long eye relief, and bright, high-contrast...

The smc Zoom eyepiece features a magnification range of 20-60X, an apparent field of view of 38 to 60 degrees, and an eye relief of 20mm. Like all PENTAX eyepieces, it is renowned for its outstanding image reproduction. With its JIS Class 6 rated...

The Parks Gold Series 5 and 7 element eyepieces are designed with the latest optical technology and utilize the finest glass available. They offer reduced color fringing, wider field of view, less edge distortions, improved contrast, longer eye...

The Parks Gold Series 5 and 7 element eyepieces are designed with the latest optical technology and utilize the finest glass available. They offer reduced color fringing, wider field of view, less edge distortions, improved contrast, longer eye...

The Parks Gold Series 5 and 7 element eyepieces are designed with the latest optical technology and utilize the finest glass available. They offer reduced color fringing, wider field of view, less edge distortions, improved contrast, longer eye...

Back in stock! Explore Scientific 82° Series 8.8mm Eyepiece Barrel Size: 1.25" Eye Relief: 15mm Elements: 7 in 4 Groups Parfocal: Yes Weight: 13.2 oz. Nitrogen Purged, Waterproof All Explore Scientific telescope accessories are covered...

Back in Stock!! New Explore Scientific 82° Series 4.7mm Eyepiece Barrel Size: 1.25" Eye Relief: 14mm Elements: 7 in 4 Groups Parfocal: Yes Weight: 9.2 oz. Nitrogen Purged, Waterproof All Explore Scientific telescope accessories are covered...

Explore Scientific 82° Series 24mm Eyepiece Barrel Size: 2.00" Eye Relief: 17mm Elements: 6 in 4 Groups Parfocal: Yes Weight: 2.1 lbs. Nitrogen purged, Waterproof All Explore Scientific telescope accessories are covered under our standard...

Back in stock!! New Explore Scientific 82° Series 14mm Eyepiece All Explore Scientific telescope accessories are covered under our standard U.S.A. One Year Limited Warranty against defects with proof of purchase, but you can extend this limited...