FTS812 reflectorless Total Station based on FTS500 series with features in addition to the original. It has a 250m reflectorless measure range. FTS812 Prism Total Station has a reliable design of the structure, rich software features, convenient digital key operation, vast amounts of expandable memory, can be applied to more diverse measurement tasks, the same applies to construction setting out, construction, ship manufacturing, construction supervision, bridge measurements, lofting road, topographic and cadastral survey control point to set out such measurements.