This Celestron Eyepiece and Filter Kit - 2" is an essential accessory for your telescope. It includes 5 Plossl eyepieces (25mm, 17mm, 13mm, 9mm, and 6mm) and a Barlow lens (2x) to enhance the magnifying power of each eyepiece. The kit also includes 3 color filters (Red, Green, and Blue) to enhance the view of the moon and planets in your telescope. With this