If you want to experience professional-grade lens, yet, one that is compact, and easy-to-carry look no further than the Sony Carl Zeiss T* 16-80mm f/3.5-4.5 lens.
The lens features a precise optical design that will make it one of your favorites. As the ultimate all-in-one zoom lens, the Sony Carl Zeiss T* 16-80mm f/3.5-4.5 lens is actually the first professional-grade 5X zoom lens specifically designed for APS-size CCD image sensors.
The lens delivers incredible precision in a single compact and highly portable lens that carries you from 24mm wide-angle to 120mm telephoto (35mm equivalent). In addition, the advanced Carl Zeiss optical design and anti-flare T* Coating make this one of the most valued lenses in the world of digital photography.
Using two aspherical lens elements, frame distortion and other chromatic aberrations such as flare and ghosting -- can be reduced effectively. This allows for sharper images with accurate color rendition.
The lens also sports an Auto clutch to stop manual focus ring rotation, wide focus ring for a solid feel in manual focusing. The circular aperture of the lens provides you with pleasing out of focus picture elements.