2" Superview 32mm HD Wide Field Fully Multi-coated Eyepiece for Telescope Description: 2 inch 32mm eyepiece, 68 degree apparent field of view, it is fit for large aperture telescope, it has good performance effective range. Fully multi-coated lenses, 5 lens elements, blackened lens edges 20mm eye relief, fold-down rubber eyeguard. Application:Support all types of telescopes, reflector, refractor, to observe the star clusters, moon, sky , planets and other celestial bodies. Thread for 2"/50.8mm telescope eyepiece filters. Specifications: Focal Length: 32mm Lens Elements:5 Lens Group :3 Optical Coating: Full Multi Coating Field of View :68 Degree Bucket Size :2 inch (50.8mm) Eye Relief: 20mm Screening of Theme: Standard 2 inch Filter Thread (M48 × 0.75) Height (with Eyecups Extension: 130mm Package Includes: 1 Piece 2 inch 32mm 68 Degree Eyepiece