How far remote from the target the Heliostat can be mounted?
It had already been mounted only in a distance of 4 m from the target. That is very close and the contours are very sharp. Theoretically nearer distances are still possible. Thereby it may happen, that the target throws a shadow onto the Heliostat. More interestingly is the placement in higher distances: The good planarity of the reflector and the high precision of the drive permits to place the rotor/mirror-unit up to about 200 m (!) away from the target-point, however depending from the target-size. The advantage of this characteristic is the ability, to hide the Heliostat deep in the background and not to disturb the aesthetic actualities at the location. In the same way it is possible to conduct sun-light deep into buildings. In a 100 m distance 20 seconds progress of the sun corresponds to about 90 cm reflex-offset!
