Complex sentence: Founded by Paul Franke and Reinhold Heidecke in 1920, based in Braunschweig, Lower Saxony, they have had a chequered manufacturing history but still retain a certain cachet amongst photographers.
Split into simpler sentences: Founded by Paul Franke and Reinhold Heidecke in 1920. Based in Braunschweig, Lower Saxony, they have had a chequered manufacturing history but still retain a certain cachet amongst photographers.