The Sony Nex E Mount Lens is ideal for sports and outdoor photography. Featuring a wide focal range and internal focusing, the Sony Nex Telephoto Lens provides excellent zoom range. This Sony Nex Lens also provides smooth, responsive and quiet autofocus. Optical SteadyShot image stabilization helps achieve crisp, stable images and video in low-light or when zooming in on distant subjects. Two ED (Extra-low Dispersion) glass elements on the Sony Nex E Mount Lens help suppress chromatic aberration and color bleeding at all focal lengths. Compatible with Sony Cameras, the Sony Nex Telephoto Lens will help you take crisp, professional-looking photographs. This Sony Nex E Mount Lens measures 2.5" long x 2.25" wide x 1" high, and it has a 2.5" diameter. Sony NEX E-Mount 55-210mm f/4.5-6.3 Telephoto Lens: Technical Information Focal Length: * 55-210mm Magnification: * 1.0x Aperture Range: * f/4.5 to f/32 Focus Distance: * 3.2" minimum Filter Attachment Diameter: * 49mm Lens Construction: * 13 elements in 9 groups Physical Characteristics Dimensions: * 2.5" x 2.25" Weight: * 12.1 oz Compatibility: * Sony cameras