Sony E 55-210mm f/4.5-6.3 OSS is a 3.8x telephoto zoom lens consistently delivers outstanding performance, even in low light situations and video capture. To compensate for blurred images, the Optical SteadyShot image stabilization counteracts unwanted image blur caused by camera shake during hand-help shooting. The internal focusing lens has a unique lens design that keeps the aperture almost perfectly circular from it wide-open setting to when it is closed by 2 stops for a more smoother natural defocusing result. Incorporating aspherical and extra dispersion lens elements to reduce spherical aberration and chromatic aberration to deliver superior contrast and quality across the entire image field.