Spectrum Optical Filters are the new generation of BioVision Technologies. They integrate innovative advances and are Patented for their ability to improve personal vision inside/outside and under extreme lighting situations.
; Founded in 1987, Spectrum Technologies manufactures and distributes measurement information technology to the agricultural market throughout the world. The company's technology is focused on four primary product groups. The weather and environmental monitoring group includes WatchDog weather stations, WatchDog data loggers and SpecWare software. The nutrient management tools group supplies...