This lens is great for intimate or low-light portraits, fashion shots, and quick candid photographs with superior visual accuracy, this professional lens will satisfy the most uncompromising demands. Its performance at fully open aperture is astonishingly precise -- and its 35mm-equivalent 125.7mm focal length gives you sharp midrange close-ups and natural, distortion-free portraits at relaxed distances. Superb Sharpness at Fully Open Aperture - Combined with the Sony Alpha's Super SteadyShot this lens achieves pinpoint sharpness even while working hand-held camera by available light.Excellent Contrast Reproduction - Precision optical design and advanced T* coatings help to reduce flare and increase contrast.Smooth Backgrounds - Smooth, visually pleasing out-of-focus backgrounds give portraits and close-ups an extra dimension of beauty.Focus Hold Button - For full creative control, a focus hold button located on the lens can lock auto-focusing even in continuous advance mode -- and focus lock can also be set on the spot-focus center frame area.Auto Clutch - In auto-focus mode, the manual focus ring does not rotate -- and in manual focusing, you’ll have a solid, hands-on feel.