Nikon-Trimble Co. Ltd. introduced three new total stations in its 602 and 502 series: the DTM-652, NPL-632 and NPL-522. Both the DTM-652 and NPL-632 feature a CompactFlash (CF) slot and a USB port for data transfer. The DTM-652 is fast, accurate and offers 1" angle and 2+2 ppm distance measurement capabilities. The NPL-632 features 2" accuracy and reflectorless operation with 3+2 ppm distance measurement accuracy. The NPL-522 features 3" accuracy and reflectorless operation with 3+2 ppm distance measurement accuracy. The DTM-652, NPL-632 and NPL-522 include: Nikon's optics, which deliver brighter images even in low-visibility conditions; all-weather construction; and long-life batteries. Nikon total stations are distributed by Tripod Data Systems (TDS) in the United States and by Trimble internationally. (Nikon-Trimble Co., Ltd., Tokyo, Japan)