http://www.usa.canon.com/cusa/semiconductor/products/encoder_optolectronic_components/laser_scanner/kp_series?pageKeyCode=writeReviewPage
KP Series
Overview
Industry leading high performance, fully digital galvano scanning system from Canon. LASER optical encoder (digital position sensor) with high speed digital servo controller brings super high precision and super high accuracy that surpasses all analog and digital galvano scanners in the market. Availabe in two different motor types, supporting laser beam diameter up to 30mm.