66 Degree Ultra Wide Angle Eyepiece: Provide impressive optics with an enormously wide 66 degree apparent field of view (AFOV); Perfect for clearly observing planets or deep sky objects and offering expansive views of moon star clusters and Milky Way
Comfortable Eye Relief & Adjustable Eyecup: Generous 18mm eye relief with 20mm focal length allows comfortable viewing distance during astronomical; fold-down rubber eyecup design more fit the glasses wearer that prevent stray light entering when using
Universal 1.25 inch Compatibility: Equipped with 1.25-inch (31.75mm) compatible with all standard 1.25" focusers of telescope; diagonal mirror ; barlow lens and other telescope accessories; Included standard 1.25” filter thread connect to telescope filter
Wide 66-deg apparent field offers expansive views of the moon; star clusters; and the Milky Way; generous 15mm eye relief allows comfortable viewing distance and lets eyeglass wearers see the entire field of view
6-element design deliver sharp image with good color correction and contrast; offers a wide field of view and superior performance; aluminum 1.25 inch eyepiece barrel is internally blackened to eliminate light scattering; thread to accept 1.25 inch filter