All-in-one zoom is designed for full-frame Sony E-mount mirrorless cameras, however can also be used with APS-C models where it will provide a 42-300mm equivalent focal length range.Bright f/2.8-5.6 maximum aperture range suits working in available lighting conditions, especially when working at the wide-angle end of the expansive zoom range.A series of specialised elements control a variety of aberrations in order to achieve high sharpness and clarity.RXD (Rapid eXtra-silent stepping Drive) autofocus motor delivers impressively quiet, quick, and smooth focusing performance to suit both stills and video applications. This focusing system also offers a minimum focusing distance of just 7.5″ and a 1:3.1 maximum magnification for working with close-up subjects. Full-time manual focus override is also possible, and it is compatible with Sony’s Direct Manual Focus function or fine-tuned manual control.A moisture-resistant construction benefits this lens’ use in inclement conditions, and a fluorine coating has also been applied to the front lens element to protect against dust, dirt, and smearing.Rounded seven-blade diaphragm contributes to a pleasing bokeh quality.Zoom Lock switch keeps the lens in its retracted position when not in use.