New rare vintage soviet vidicon tube LI421-1 television

New rare vintage soviet vidicon tube LI421-1 television

RARE Vintage Soviet Television CCTV TV camera
"Electrovacuum factory" Nalchik, Russia (USSR)
Has 8 pins. 9-th pin short (it is a key).
Google Translate of characteristics from Russian:
Pressure of heat of the cathode, V
Pressure U of the first anode, V
Pressure U of the second anode, V
Pressure U of a leveling grid, V
Pressure U of an alarm plate, V
Current of a signal, ??A, not less
Resolution on a field of the image, a line, not less
Residual signal after the termination of illumination of a target through 40 ??, % no more
Geometrical distortions, %, no more
The working area of a target, mm
Spectral sensitivity a range of lengths of waves, micron
Light exposure of a target, no more
Range of working temperatures of a target, °?
Guarantee operating time, hour, not less
NEW, NEVER USED, from the old stock.
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