Inhouse product
As part of Sony's esteemed G Master series, this lens is designed to
achieve a balance of impressive resolution and sharpness along with
distinctive and pleasing bokeh.
Two XD Linear Motors provide quick, quiet, and precise autofocus and
subject tracking performance. This design also contributes to more
natural, intuitive Linear Response manual focus control and an AF/MF
switch is located on the lens barrel for tactile control over this
setting.