Top features: - Smooth focusing lets you switch easily from autofocus to manual focus - Refined performance with 14 lens elements Smooth focusing Designed for travel, street and portraiture photography, the Sony SAL18135 Lens features Direct Manual Focus and covers the frequently-used 18-135mm focal lengths. Quickly revert from autofocus to manual focusing by simply turning the manual focus ring of the lens for greater creative control. Featuring a 7-blade circular aperture instead of a standard polygon shape, the SAL18135 has a more natural, rounded defocusing. Significantly smoother and quieter than conventional autofocus systems, the SAL18135 has a built-in Smooth Autofocus Motor. Refined performance Including 14 elements in 11 groups, the SAL18135 has aspherical lens elements to minimise distortion, as well as extra-low dispersion glass elements that provide superior contrast, enhance resolution and produce colour fidelity, even at large aperture settings. Compatible with all 35 mm full frame or APS-C format cameras, this is the perfect way to upgrade your Sony A-mount camera.