The GP2 equatorial mount comes standard with tripod and counterweight. It is easy to use and functions well for both the visual observer and astrophotography. The declination and right-ascension functions with 144-tooth aluminum worm gears allowing accurate tracking. Motion is controlled by included control knobs for accurate slewing. The polar altitude adjustment varies from 0ï¾° to 62ï¾° in altitude. Optional single axis or dual axis motors and controllers are available as is a polar alignment telescope and setting circles. Add the new Vixen Starbook S with built in starchart for full Go-To capabilities.