1879
Carl August Koch opened his own photographic studio in Schaffhausen. Besides his work at the studio mainly as a portraits photographer, he was a passionate photographer of landscapes and mountain sceneries.

1947
The business was carried on by his son Carl Hans Koch, the inventor of the Sinar camera.

1968
Selective exposure metering at the film plane. Perfect exposure, tonal values and contrast control (zone system).

1984 - Sinar p2
In 1984 Sinar startled the experts presenting the Sinar p2 large format camera.

Expolux
The Expolux shutter and exposure system replaced the electronically out-dated Digital shutter. The advantage was the flexible menu control with interchangeable program cards.

2000 - Sinarback 23
A new 6-million-pixel sensor offers more resolution in a rectangular format.

2004 - Sinarback 54m
Concentrated on the Essentials

2008 - Medium Format System - Sinar Hy6
Begin of a new era