1.25 Inch 5X+3X Barlow Lens Telescope Eyepiece for Celestron Orion Astronomy
5X & 3X Magnification: more detailed at the moon, nebula, planet and other deep sky objects. 1x Lens 5X. 3X Lens Material: Optical Glass +. 1x Lens 3X. It's just take you 1 minute. We'd like to settle any problem in a friendly manner.