The measurement accuracy is based on ISO recommended ISO/R 1938-1971, with 95% reliable statistics (2s, ie twice the standard deviation). The standard measurement accuracy is based on the specified measurement error of the general measurement environment. It is not valid in special application functions and calculations, such as Pythagorean measurement and tracking mode (continuous tracking measurement).
The accuracy of laser range finder has been the focus of the industry, and some industries require relatively high precision laser range finder. For medium and long-range telescope laser range finder, the accuracy of this type of range finder is up to 1 yard +-1%. At present, it can be called a high-precision laser range finder with an accuracy of 0.5 yards +-1%. This high-precision range finder can achieve an accuracy of less than 0.5 yards within 100 meters. There are currently only four rangefinders on the market that can achieve this accuracy.