Orion 8241 3.5mm Stratus Wide-Field Eyepiece This 3.5mm Stratus eyepiece from Orion sports a monster 1-1/4"-diameter eye lens and a generous 20mm eye relief Boasts a 68 degree apparent field of view for a wide-field window into the heavens Eyepiece optics are fully multi-coated to maximize light transmission Lens edges are blackened to ensure excellent contrast Can be used in either a 2" or 1.25" telescope focuser or diagonal