AO-21841C GEN 2+ Image Intensifier Tubes

The AO-21841C Image Intensifier Assembly (Photonis), 18 Millimetre Microchannel wafer, shall have a minimum useful photocathode and phosphor screen diameter of 17 millimetres (mm). The assembly shall employ an S-25 photocathode and a microchannel electron multiplier plate with proximity focus on the input and output. The assembly shall include the high voltage multiplier and oscillator and shall be encapsulated within a hard surface insulating sleeve or boot and assembled in a hard plastic housing.