AIM-Base/EN/Std/Plus/Pro/Ultra series Autocollimator is developed by Xi’an Optical Metrology.The Base series is the enter-level products of high accuracy application, which can be used in either mechanical or optical measuring field.AIM-Std series Autocollimator faced to the high accuracy measuring application. The series takes into account the requirements precision and working environment. The accuracy can satisfy most of the high precision using.