... Magnification: 30X Height: 232mm 2.Shortest sighting dictance 1.0m 3.Stadia proportion: 1 DTM112B Total StationModels DTM112A, DTM112B, DTM115A, DTM115B, DTM122A ... 2", 3" and 5".Detachable tribrachs are standard on all models. Other standard features are Optical Plummet, dedicated Number Keys, Alpha ...