For observation and research of sources of high energy gamma radiation, telecopes were developed which make use of the Cherenkov effect (flashes emitted by air showers of secondary particles). By the stereoscopic arrangement of several telescopes, spacial images of the showers with high resolution can be obtained. 382 glass mirrors, each of them motor movable, concentrate the light to the camera. Characteristics of the construction are the extreme demands on stiffness of the complex space frame (average node torsion under dead weight 0.12 mrad) and the request for highly precise two-axis tracking. Manufacturing and erection of the steel construction were conducted by a local company under close engineering supervision.

Concentrator diameter: 14 m
Mirrors: 382 pcs. 60 cm diameter
Reflecting area: 108 m²
Suspension: azimuthal
Drive system: servo motors, friction drive