COLOR TELEVISION CAMERA

摘要

A color television camera comprises a color pickup device such as a color pickup tube, an automatically moveable infrared cut filter disposed in the light path to an image receiving face of the pickup device, a brightness detection means which changes its output signal when observed brightness falls below a predetermined level, a driving means for driving the automatically moveable infrared-cut filter for removing it from ththe light path to the image receiving face, and a video signal circuit including a switching circuit operative to constitute a color video signal producing circuit when the brightness is above the predetermined level and the infrared-cut filter is inserted in front of the image receiving face, and to constitute a monochrome video signal producing circuit when the brightness is below the predetermined level and the infrared-cut filter is removed from the light path to the image receiving face.