Mastering the Olympus Om-D E-M5 Mark IIIOlympus launched the OM D E M5 Mark III camera with a specific purpose in mind: to create a Micro Four Thirds camera for advanced enthusiast and professional photographers who prefer a smaller, yet very powerful mirrorless camera. The E M5 Mark III is a true system camera for those who demand the best in cameras, lenses, and image quality. Darrell Young and Jim Johnson's Mastering the Olympus OM D E M5 Mark III explores the features and capabilities