DOUBLE PROXIMITY FOCUSED, 50/40MM HIGH PERFORMANCE IMAGE INTENSIFIER TUBE WITH FIBER INVERTER OUTPUT, USED FOR THE TUBE ASSEMBLYIN TANK DRIVING PERISCOPES. EQUIVALENT BACKGROUND ILLUMINATION, MEASURED AFTER UP TO 2 MINUTES STABILIZATION IN THE DARK WITH THE OPERATIONAL VOLTAGE APPLIED. ILLUMINATION GAIN (50 MICROLUX) MINMIUM 19000, MAXMIUM 26700.

CLASSIFICATION HAS BEEN DETERMINED IN ACCORDANCE WITH THE FOLLOWING:- GENERAL INTERPRETATIVE RULES (GIR)S GIR 1 HAS BEEN USED TO CLASSIFY THIS PRODUCT BY THE TERMS OF HEADING (8540) THERMIONIC, COLD CATHODE OR PHOTOCATHODE VALVES AND TUBES (FOR EXAMPLE, VACUUM OR VAPOUR OR GAS FILLED VALVES AND TUBES, MERCURY ARC RECTIFYING VALVES AND TUBES, CATHODE RAY TUBES, TELEVISION CAMERA TUBES) GIR 6 HAS BEEN USED TO CLASSIFY THE GOODS TO SUBHEADING LEVEL (854020) TELEVISION CAMERA TUBES; IMAGE CONVERTERS AND INTENSIFIERS; OTHER PHOTOCATHODE TUBES CN CODE ( 85402080) - OTHERTHAN TELEVISION CAMERA TUBES TARIC CODE (8540208099) - OTHERTHAN PHOTOMULTIPLIER