An ideal lens for everyday carry on an APS-C A-mount camera, the DT 18-135mm f/3.5-5.6 SAM Lens from Sony offers outstanding versatility in a relatively compact form factor. Offering an extremely versatile 27-202.5mm equivalent zoom range, this one lens can cover most general shooting scenarios. It also uses one extra-low dispersion element and two aspherical elements to combat aberrations and flare. Ensuring optimal performance is the Smooth Autofocus Motor (SAM), a built-in system that provides smooth, quiet, and quick focusing that works well with the internal focus design to provide a minimum focus distance of 1.5'. Additionally, it has a seven-blade circular diaphragm for smooth bokeh.
Covering wide-angle to telephoto perspectives, this 18-135mm zoom is designed for APS-C format A-mount cameras, where it will provide a versatile 27-202.5mm equivalent focal length.
A variable f/3.5-5.6 maximum aperture helps ensure that lens size and weight is kept to a minimum.
One extra-low dispersion glass element is featured in the lens design to help reduce chromatic aberrations and color fringing for improved clarity and color neutrality.
Two aspherical elements are incorporated in the lens design to reduce astigmatism, field curvature, coma, and other monochromatic aberrations.
By incorporating a Smooth Autofocus Motor (SAM) unit into the lens itself to drive the focusing element group, this lens is able to deliver smoother, quieter, and faster performance that coupled systems. Also, the internal focusing design helps to achieve a minimum focus distance of 1.5'.
Rounded seven-blade diaphragm contributes to a pleasing bokeh quality when employing selective focus techniques.