&lt;b&gt;Portrait-perfect sharpness and bokeh&lt;/b&gt;&lt;br /&gt;&lt;br /&gt;Theres nothing like the sharpness and smooth bokeh of a well-designed mid-range telephoto prime lens for portraiture and the SEL85F18 is a standout choice. It features a compact lightweight design for mobility with high-performance optics and a large F1.8 maximum aperture that deliver outstanding image quality. An excellent second lens for both full-frame and APS-C camera users.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Fine prime-lens performance&lt;/b&gt;&lt;br /&gt;&lt;br /&gt;ED glass for chromatic aberration compensation a 9-blade circular aperture and carefully controlled spherical aberration contribute to superb sharpness and smooth bokeh.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Mobile and manageable for active shooting&lt;/b&gt;&lt;br /&gt;&lt;br /&gt;A compact lightweight (371g 13.1 oz.) design that is ideally matched to the 7 series offers a great blend of portability and high image quality for portraits events and more.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Quiet precise focus drive &lt;/b&gt;&lt;br /&gt;&lt;br /&gt;A double linear motor system directly drives the lenss focus mechanism without intervening gears for precise quiet operation that is ideal for movies as well as stills.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Quality build versatile features &lt;/b&gt;&lt;br /&gt;&lt;br /&gt;A customisable focus hold button a wide and responsive focus ring dust and moisture resistant design1 and other refinements add up to outstanding quality and versatility.