At Periscope Depth

The author received a PhD in 1980 from University Hannover in the field of Laser physics and has worked in the development of opto-electronic instruments since then. After ten years with the Central Research of Carl Zeiss in Oberkochen he changed to the field of military optics and was engaged in many development programs with special emphasis on thermal imagers, submarine periscopes as well as panoramic periscopes and sighting telescopes for armoured vehicles. He is author of several books about the history of military optics, 'History of submarine periscopes at Carl Zeiss' (2011), 'Seeing an Invisible World - History of Thermal Imaging' (2018), 'ABC of Tank Optics' (2022) and 'Gepanzerte Tag- und Nachtsicht - Die Entwicklungsgeschichte der Panzeroptik' (2024).