Active focusing system for an earth imaging reflecting telescope

The M.Sc. degree project, which is presented in this paper, was undertaken at the University of Surrey under the financial support of TUBITAK-BILTEN, as a part of the remote sensing micro-satellite project: BILSAT-1*. This micro-satellite was designed and constructed by Surrey Satellite Technology Limited (SSTL) in the UK in collaboration with TUBITAK-BILTEN.