FIELD: television technology.
SUBSTANCE: invention relates to television engineering and can be mainly used in surveillance systems. Result is achieved by using CMOS photodetector arrays as sensors of a television camera, setting the target ratio of gain factors of light-sensitive elements for their targets. To compensate optical loss of light splitting, value of amplification factor of first sensor of television signal in β times exceeds value of amplification factor of second sensor of television signal, where coefficient value β is calculated by formula:
where D/ƒ is relative hole of television camera additional lens (beam splitter lens); τ1 is beam splitter lens transmission coefficient; τ2 is coefficient of transmission of collective lens of beam splitter.
EFFECT: technical result is reduction of loss in image resolution in time.
3 cl, 7 dwg, 3 tbl
