The SEL70200GM is the Sony FE 70–200mm F2.8 GM OSS, a professional full-frame telephoto zoom lens from Sony’s premium G Master (GM) lineup.This lens offers a constant f/2.8 aperture throughout the zoom range (70–200mm), which helps maintain consistent exposure and strong background blur (bokeh). It is built for sports, wildlife, weddings, portraits, and event photography, where fast autofocus and long reach are important. It includes Optical SteadyShot (image stabilization), high-quality G Master optics for excellent sharpness, and weather-sealed construction for professional outdoor use.