Become an astute photographer with the E 70-350mm f/4.5-6.3 G Oss Lens, a high-quality and durable addition to your Sony Alpha camera system. This super-telephoto zoom lens, equivalent to 105-525mm on a full-frame camera, is a lightweight champion at just 22oz. (625g), making it an ideal companion for on-the-go photography without the burden of a heavy lens.Crafted with an innovative G Lens optical design, this lens boasts an aspherical element and three Ed (Extra-low Dispersion) glass elements that work in harmony to suppress aberrations across the entire zoom range. This meticulous optical engineering ensures sharp, clear image quality from the center to the edges of your photographs, even at super-telephoto focal lengths where chromatic aberration can often be problematic.The three Ed glass elements are the cornerstone of this lens's ability to produce images with maximum resolution and a beautiful bokeh effect, while also eliminating fringing and unnatural coloration.