The main part of this website are the pictures of my trips in the past years. Some images are old; some even come from faded slides. And the story of the trip is the main criteria so similar picures to the ones in the albums are often left out. If you are interested in series or a particular subject please contact me.

Dafür, dass die Moslems kein Weihnachtsfest kennen, dekorieren sie ihre Flughäfen sehr geschmackvoll. Eine Nacht müssen wir in Bangkok verbringen. Dass das thailändische Essen extrem lecker ist, wussten wir aus eigener Erfahrung.

Is a program package which calculates single rays exactly. Diffraction from the pupil aperture is taken into account additionally. Solves the problem by numerical methods. Other applications are not conform with the product designation.