Meade Instruments 07217 No.928 45-Degree Erecting Image Diagonal Prism Telescope Eyepiece, 1.25-Inch (Black) Ideal for all Meade ETX models except ETX-60, 70 and 80AT Creates images that are upright and laterally correct Comes with a built-in magnification factor of 1.08-times Weighs 0.20-pounds Comes with a 1-year limited warranty