a video terminal has a housing composed of a basic housing encompassing a back portion of a picture tube and a frame encompassing a picture area of the tube . the basic housing is uniformly designed for a plurality of picture tubes of different sizes and variously designed frames are adapted to the basic housing in accordance with a respective picture tube . the frames are preferably secured to support mounts fixed to the frame which are disposed in said basic housing . given an axially symmetrical design of said support mounts , the frame with said picture tube is optionally insertable either horizontally or vertically . the frame can be formed of one or more parts . the parts of the frame and / or of the frames and the basic housing can be connected to one another by snap - in closures .