The Samsung 50-150mm f/2.8 NX S ED OIS Zoom Lens affords photographers the opportunity to capture telephoto images with crisp clarity and tack sharp focus in a variety of scenarios. Its fast aperture provides excellent low light performance and beautiful bokeh. It features an Ultra-Precise Stepping Motor (UPSM) and advanced multi-axis Optical Imaging Stabilization (OIS) with four-axis control and a six-axis sensor array. This lens also features a dust and water resistant build making it both durable and reliable. All of the lens controls focus zoom and OIS are located in a single function zone on the side of the lens making it easy to control.