Eyepiece and Filter Kit - 2"This Celestron 2 Eyepiece and Filter Kit includes all the accessories you need to start using 2 eyepieces on your Schmidt Cassegrain or refractor telescope Youll get a 2 Mirror Diagonal, three E Lux 2 eyepieces, a 2 2X Barlow Lens, five colored filters to improve observations of the planets, and a foam fitted aluminum carry case The 2 90 Mirror Diagonal accepts 2 eyepieces, and attaches to the rear cell of SCTs. An adapter is included for use with