Achieve professional-quality images even if you're a beginner. The NX100's easy-to-use, intuitive i-Function Lens brings all the professional settings and parameter controls of a DSLR and intuitively integrates them onto the i-Function Lens, so everything is readily accessible. Values and parameter settings like ISO, shutter speed, and aperture, are easy to control. So easy, that you can access them without putting the camera down and still keep your eye on the subject. The user interface makes it all easy to understand, whether you're a novice or a professional. And fast speed AF (Auto Focus) lets you photograph that perfect shot in breathtaking detail.