X-ray and gamma-ray spectrometer, a magnetometer and a laser range-finder, as well as good, old-fashioned digital photography.

ECONOMIST: An erotic encounter

But the rugged IIIf remained the photojournalist's camera of choice during the turbulent post-war years until it was replaced in 1957 by the ultimate range-finder, the Leica IIIg.

ECONOMIST: A die-hard analog photographer goes digital