This easy to use, st&-alone Auto Guider eliminates the need for a laptop computer in the field & is perfect for imaging with your DSLR camera. The sleek design of the Nex Guide camera attaches easily to your telescope & has a built-in LCD display that is ideal for tracking long exposure photography. Nex Guide is equipped with a sensitive CCD chip (5.6 mm x 4.7 mm), for highly accurate guiding & locating. The Auto Guider automatically sets guiding aggressiveness after calibration of each axis to save you time in the field. It has an easy to use interface & illuminated button hand control so you can quickly navigate through the menu options. Nex Guide creates an effortless & enjoyable astrophotography experience!