Compact mini guide scope designed for use with astrophotography telescopes 50mm guide scope with bright, wide-field optics puts numerous potential guide stars in view so you'll never have to search for one! Adjustable-aim dovetail guide scope bracket installs on virtually any astrophotography telescope quickly and easily Very small and compact autoguiding system adds hardly any weight to an astrophotography setup and can conveniently be stashed in an accessory case between uses Designed for use with many brand AutoGuider camera and other similar small-chip CCD autoguiders.