Mandatory Credit: Photo by Igor Golovniov/SOPA Images/Shutterstock (13605290i)
In this photo illustration, a gossen trisix selenium exposure meter manufactured in the 1950s is seen displayed. GOSSEN Foto- und Lichtmesstechnik GmbH specializes in the production of light measuring instruments.
Zeiss Ikon camera in Stuttgart, Germany - 1 Nov 2022