Through On the Job Training (OJT), optical manufacturing technicians will: Read and interpret lens specifications from blue prints, drawings and work orders; Set up and operate equipment, which may include: CNC and non-CNC generating equipment, grinding equipment, polishing equipment, centering equipment and inspection equipment to manufacture precision optics; Mount work and tooling pieces on holding fixtures and machines, using adhesive, friction, or vacuum; Select premixed compounds or mix grinding, polishing, and holding compounds according to formula; Grind and polish optics to specifications; Learn to operate Interferometers, coordinate measuring machines and other advanced testing equipment. Successful candidates undergo instruction and training to operate optics manufacturing and testing equipment such as multi-axis CNC machines, generating and polishing machines, applying knowledge of layout and tooling techniques and procedures, shop mathematics, and properties of optical and abrasive materials.