5X 3X Barlow Lens Telescope Eyepiece Set 1.25" for Celestron Moon Planet M42
3X Barlow Lens Material: Optical Glass + Plastic. 1x Barlow Lens 5X. 1x Barlow Lens 3X. 5X & 3X Magnification: more detailed at the moon, nebula, planet and other deep sky objects. We'd like to settle any problem in a friendly manner.