The olympus e p3 has a compact retro looking design with user friendly features and boasts first class picture quality it comes with a 123 megapixel live mos sensor and has the fastest auto focus system of any small interchangeable lens system camera june 2011 the ep 3 is mirrorless and is equipped with truepic vi image engine making the camera extremely slim and produces outstanding picture quality in low light conditions it has a tap sensitive oled display which consumes less power and