Price / Unit : USD 1,253. Our Respect : Geoland-Surveying.Com Item Specifications : Magnification: 26X Image: Erect Minimum focusing distance: 0.9m/3 Angle accuracy: 6/1.8mgon Angle minimum display reading: 1/5 Angle units: Switchable between meter or feet, angle degrees or gon Distance measurement: 1 Prism: 3,300, 3 Prism: 4,600 Distance measurement precision: ±(3mm+5ppm) Distance measuring time: 0.3s+every 2.5s tracking mode Distance measuring time: 0.5s+every 3s coarse mode Distance measuring time: 2.5s+every 4.5s fine mode Distance minimum display: 1mm/0.003ft Display: Dual Data input/output: RS-232C Compensator: Liquid dual axis Compensating range/Accuracy: ±3/1 Optical plummet: Erect 3X Weight: 4.9kg, 10.8lbs including tribrach and battery