In television, an unwanted component in the picture signal output from a camera, caused by the scattering of light in the optical system. Flare is often described in terms of its position in the picture, e. g., edge flare, bottom flare.

• 电视中来自摄象机的图象信号输出中不希望出现的组成部分，它是由光学系统中光散射引起的。光斑常按照它在图象中的位置来描述，例如，边沿光斑、底部光斑。