Product Description
The ultimate choice for professional portrait, travel and event photographers seeking the highest possible optical performance. The XA element reduces aberration and delivers the ultimate resolution throughout the entire zoom range and aperture range, as well as from corner to corner of all image files.Designed to achieve 50 line pairs mm resolving power XA (extreme aspherical) elements with 0.01 micron surface precision Constant F2.8 max aperture maintains exposure and depth of field Natural, lifelike defocused bokeh from XA elements 9 - blade circular aperture contributes to gorgeous bokeh Direct Drive SSM (DDSSM) for fast, quiet and precise focusing Nano AR coating effectively suppress reflections Dust and moisture resistant for robust reliability Super ED glass w/ multi coating reduces flare and ghosting Instant auto/manual focus selection via a AM/MF switch Internal Focus maintains lens dimensions while changing focus Convenient Zoom lock and Hook lock Perfect for high resolution a7 series 35mm full frame E - mount cameras
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