This 1.25 accessory can be used three ways: as a 2X Barlow for visual use, as a prime focus T-adapter, or as a Barlowed T-adapter for double the magnification and the benefit of extra inward focus travel.
The Celestron AstroMaster 130 EQ equatorial reflector with motor drive puts a big scope in a beginning observers backyard at a small scope price. Not just a big scope, but a good performer you can enjoy for years to come . . .