6Basic parameters and 3selection principles of machine vision lens

6Basic parameters and 3selection principles of machine vision lens Basic parameters of machine vision lens The main parameters of a lens are focal length, resolution, working distance, depth of field, the field of view, distortion, and so on. Resolution: the number of black-and-white fringes that the lens can resolve in-unit millimeters at the image plane, which is affected by the lens structure, material, processing accuracy, and other factors. […]