Improve your scope and comfort with the Vortex Razor HD Wide Angle 65 and 85 mm Eyepiece. An eye relief of up to 31 mm will let you see things comfortably in HD even if you wear eyeglasses, and the eyepiece is compatible with Razor HD scopes of 65 mm and 85 mm. You can see up to 131 feet away with a 65 lens or 163 feet with an 85.