An employee of German camera manufacturer Leica checks a monochrome camera from Leica's M series at the Leica production site in Solms, 70km south-east of Frankfurt, September 13, 2013. Leica produces its M, S and X series at their headquarters in Solms. Oskar Barnack developed the first 35mm film camera 99 years ago. REUTERS/Kai Pfaffenbach (GERMANY - Tags: SOCIETY ENTERTAINMENT SCIENCE TECHNOLOGY)