DTM122A Series Total Stations Length 150mm Magnification 30X Height 232mm Shortest sighting dictance 1.0m DTM122A Series Total StationsModels DTM112A, DTM112B, DTM115A, DTM115B, DTM122A, DTM122B, DTM125A, DTM125B suits the measurement with target and prism. Angle accuracies are 2", 3" and 5". Detachable tribrachs are standard on all models. Other standard features are Optical Plummet, dedicated ...