Digital position and motion information is needed for a wide range of applications. Optical position technology offers the highest resolution of all the technologies. Accuracy and reliability are key. Photocraft optical rotary encoders have stood the test of time with proven service in harsh applications for more than 40 years. Encoders with precision measuring wheels designed for conveyor and web applications solve a host of linear measuring needs. Our shaft, hollow-shaft incremental and absolute rotary encoders are used in a variety of industries. Our encoders can be user configured to deliver a number of CPR settings and custom features to meet the needs of different applications. With our large selection of accessories and custom cables we are a one stop shop for all your encoder needs. Check out our selection of encoder products.