Color television image pickup system

Claim 1

An image pickup apparatus for color television comprising: an image pickup lens (11) through which incident light from an object to be picked up is transferred; a half mirror (12) for dividing said incident light into first and secOnd lights, said first light being passed through said half mirror (12) and said second light being reflected by said half mirror (12); a first image pickup tube (13) having a photoelectric plane directly receiving said first light, said first image pickup tube (13) producing a luminance signal in accordance with said first light; a field lens (14) for focusing said second light; a first relay lens (32) for focusing said focused light received from said field lens (14); a first dichroic mirror (33) for extracting from the light received from said relay lens a main light consisting of approximately a half of a first color component and a second color component; a second dichroic mirror (34) receiving light passed by said first dichroic mirror (33) for extracting an auxiliary light composed of the remaining half of the first color component; a second relay lens (35) for focusing the main and auxiliary lights, respectively; a lenticular lens (36) receiving light from said second relay lens for focusing the main light and the auxiliary light separately; a second image pickup tube (18) having a photoelectric plane receiving said main and auxiliary light as focused by said lenticular lens (35), said second image pickup tube (18) producing a two-color chromaticity signal; and means for combining said luminance signal with said two-color chromaticity signal to obtain a three-color signal.