The small facilities could face a new step in the development, when the ZKP-2 entered the market. Basically, it is a smaller version of the Mark-IV or the UPP, respectively. It displays 6000 stars, the planets, lunar phases, and the Milky Way. The latter appears as a whitish zone. The projector is mounted on a pillar and can be illuminated from below. In the 1990ies, the name "Skymaster" was assigned, and it carried over to the next models.