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, high-refraction lanthanum glass elements for high-resolution images with minimal aberrations, and JIS Class 4 weatherproof construction for durability. Engineered using advanced computer simulation design technology, this eyepiece features a 70 degree field of view and 20mm eye relief.

Lens Structure: 7 elements, 6 groups
Focal Length: 10mm
Apparent Field of View: 70 degrees
Eye Relief: 20mm
Attachment Diameter: 1.25" (31.7mm)
Filter Diameter: 28.6mm
Field Stop Diameter: 12.4mm
Eyepiece Ring: Helicoid type
Height & Width: 4.3" x 2.4"
Weight: 13.8 oz. (390g)