The Franka Solida were produced in Baveria in the 1950’s. They were kind of middle-of-the road consumer folders,.

The Franka Solida II and III were rangefinder models with a Prontor S shutter. The III had a Radionar f2.9 80mm lens and the II had an Ennagon f3.5 7.5cm lens.

The Franks Solida I was a basic model with a Frankar f6.3 75mm lens and a Vario shutter.