Classic portrait Lens / Paid $ 399,99 plus tax the Nr.1 Bestselling E Sony lens at Amazon.com Designed to fit the APS-C sensor in the NEX and Alfa system Excellent Sharpness; stop down to 2,8 and ƒ/4, images are almost tack-sharp from corner to corner. For absolute maximal sharpness stop down to ƒ/8, for practical usage between ƒ/4-ƒ/8 Aperture Range: f /1.8 to f/22 Double-Gauss Optical Design Very good REPUTATION / well RECOMMENDED lens