Optimized optical and mechanical design offers outstanding super-telephoto zoom performance for Aps-c bodies (105-525 mm equiv.) Impressive G Lens quality is maintained throughout the zoom range, right out to the image edges. All of this is packed into a compact, mobile 5x super-telephoto zoom lens with built-in optical image stabilization.Extended 70 mm to 350 mm zoom rangeThis lens's 70-350 mm (105-525 mm 35 mm full-frame equivalent) zoom range offers plenty of coverage for a wide spectrum of subjects, from landscapes to wildlife and more.Superb image quality at any focal lengthOne aspherical element and three Ed (extra-low dispersion) glass elements in a precision optical design suppress aberration throughout the lens's zoom range, including chromatic aberration that can be an issue at super-telephoto focal lengths. Excellent sharpness and rendering are achieved at all focal lengths, throughout the image area.Gorgeous G Lens bokehA circular aperture mechanism enhances bokeh quality, making it possible to take advantage of the narrow depth of field available with a super-telephoto zoom lens to create impressive images with smooth, gorgeous G Lens bokeh.Compact, mobile 5x super-telephoto zoomAlthough it offers a big 5x zoom range, this compact lens weighs in at just 22.05 ounces, maximizing the mobility of the entire camera system.xd Linear Motor in an Aps-c lensSony's Xd (extreme dynamic) linear motor technology is available in an Aps-c lens, offering top-class Af performance that is fast, precise, and tenacious. Coupled with the real-time Af capability of the latest compact Aps-c bodies, you have a high-performance, easy-handling system for landscapes, wildlife, and more.Clear, blur-free images without a tripodBuilt-in Optical SteadyShot image stabilization makes it easier to capture blur-free images, particularly when shooting at super-telephoto focal lengths.Versatile, customizable focus hold buttonA conveniently located focus hold button provides convenient focus hold control. The button can also be customized via a camera menu that allows assignment of other functions, such as Right/Left Eye Select, as required.Fast auto/manual focus-switchingAn Af/Mf focus mode switch on the lens makes it easy to quickly switch between auto and manual focus to respond to changing shooting needs.Zoom lock switchEngage the zoom lock switch to prevent the lens from extending under its own weight during transportation.Dust and moisture-resistant designA dust and moisture resistant design provides the reliability needed for outdoor use in challenging conditions..