Image: ErectField of vies: 1°30Magnification: 30XClear objective aperture: 45mmShortest focusing distance: 1.35mResolving power: 3Minimum reading: 1/5Range of compensator: ±3Accuracy of circular bubble: 8/2mmAccuracy of plate bubble:30/2mmVoltage: 4.8VBattery life: 15hLaser power: <1mwFacular diameter: ≤2mmLargest measuring distance:180munder sunshade daytimeCentral facular diameter:≤3mm100m