施密特攝星儀
The observatory has the largest telescope located in Germany, which is also the largest Schmidt camera in the world. Made by VEB Zeiss Jena (the branch of Carl Zeiss located in Jena in what was then East Germany), this instrument is known as (2m) Alfred Jensch Telescope: though its mirror is 2 metres in diameter, the telescope's aperture is 1.34m.