Telescope Accories 8-24mm Eyepiece \" Multi Coated Optical
Fully multicoated optics 1.25" eyepiece. 1 Piece 8-24mm 1.25" Eyepiece. 40°(at 24mm) to 60°(at 8mm) field of view. Field of View: 40°(at 24mm) to 60°(at 8mm). Lens Material: Optical Glass. It's just take you 1 minute.