CAMERA TUBE WITH REDUCED FLARE

摘要

The optical cross-talk in the target of a camera tube which comprises, for example, a target made of lead monoxide is reduced by an element which overlaps the entire target. If this element consists of a filter which is arranged in front of the photosensitive layer, a spectral transmission which is adapted to the spectral sensitivity of the target is imparted thereto. A filter which is arranged behind the target is preferably constructed so that it is also low-reflective for incoming light. In order to prevent excessive transverse conduction, the latter filter may have a mosaic structure consisting of mutually insulated areas. The element may alternatively be formed by a target support which is separately arranged in the camera tube and which has a small thickness.