This set complements the EVO assembly with the starsense AutoAlign module and thus relieves you of the alignment procedure: the built-in camera is based in the sky and initiates the telescope for computer control and automatic tracking. The 8 "EdgehD tube delivers a flat, bright image of the sky. You don't have to do anything, while the telescope is automatically based on the sky within a few minutes! With the additional options, the Nexstar Evolution 8 HD set is an extremely powerful, user-friendly And quickly ready to use. + 8 "Edgehd optics for excellent visual and photographic results, without a coma and image arching + built-in lithium-iron-phosphate battery with sufficient performance for a ten-hour observation night + that means that you do not need the hand controller! Instead, use your smartphone or tablet, which connects via WLAN to the telescope + starsense AutoAlign takes over the alignment and works with the Skyportal app together + connection to the PC with cable USB A-Mini-B