The Nikon D5100 Digital SLR Camera is a crop sensor dual-purpose system with Full HD 1080p video with full-time-servo AF (AF-F) so that the camera will quietly continue to focus for you even while recording video. This camera also comes with an option for an external mic for professional-quality sound. It sports a large 3", fully pivoting LCD with Live View for clear scene framing and easy playback and setting changes. At only 4 FPS shooting speed, this camera is not recommended for sports or wildlife but is a very good easy-to-learn camera for those starting out in portraiture, light event work, and fine art. It is compatible with Nikon's full line of DX and FX-specific lenses, providing flexibility.