By 1954 the Zeiss Jena works had reestablished their ability to produce world class planetarium projectors, the first completed unit being delivered in 1954 to the Volgograd Planetarium in Russia.

• 到1954年时，耶拿东蔡的工厂就已经重新恢复了生产天文天象仪的能力，战后生产的第一台于当年运往苏联的伏尔加格勒天文馆。