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Vintage Leica advertisement headlined 'the think camera', showing an M4 rangefinder against a black background

Seven decades of advertising the same idea: put the camera in your hands and get out of the way.

For a century, Leica cameras have shaped how photographers see the world. What began as an engineer's side project to test cine film has grown into one of the most storied names in photography — a lineage of screw-mount originals, the M-mount rangefinders that followed, and the digital cameras carrying that design forward today. This site walks through that lineage: the man who built the first Leica, the cameras that followed, the oddities collectors chase, and the photographers who made the system famous.