Optical measurement refers to noncontact measurement utilizing numerous light sources. It often requires a minimum of one lens, a light supply and a detector. It differs from different forms of inspection in that instead of using a tactile measurement technique like a contact probe, it uses either a point of reference (e.g. a crosshair) or a pc to calculate edge detection. Two of its greatest benefits are its capability to measure features too small or fragile to measure by touch,…