Profile: Optical Guidance Systems is a provider of telescopes, mountings and computer control systems & accessories. Our PC-TCS is a personal computer based telescope control system designed for use with moderate to large permanently mounted astronomical telescopes. We specialize in robotic and internet controlled telescope systems. Our optical tube assemblies are manufactured from thermally stable and lightweight diamond-patterned tuned carbon fiber XZe™ and this tube material will reflect IR light, thus keeping the telescope cooler during the day. Our brand includes Optical Guidance Systems™.