The Filter Wheel system delivers smooth, high speed operation and changes filters in as little as 120ms. The system accepts ten 25mm or eight 32mm diameter filters. The filter wheel can be fitted to the excitation and emission ports of your microscope and up to 2 filter wheels and 3 shutters can be operated from 1 controller via a serial port or an optional filter wheel keypad. The unique design of this filter wheel allows filters to be changed with ease and a support stand is supplied to reduce vibration effects. An optional sliding filter holder is available for neutral density or infrared filters.