Innovative optics with the largest XA element in any α lens : Three XA (extreme aspherical) elements, including the largest ever made, combine with one aspherical element in an innovative optical design that achieves stunning G Master resolution throughout the image area. Two Super ED (Extra-low Dispersion) and three ED glass elements suppress chromatic aberration, and a new Nano AR Coating II minimises flare and ghosting for clear, crisp imagery.
Ultra-wide angles and large aperture in a small, lightweight zoom : An advanced optical design with four aspherical elements, including three XA types, plus a mechanical design that features Sony’s original XD linear motors, in a compact, lightweight 12-24mm constant F2.8 zoom that delivers stunning image quality. In addition to being ideal for landscapes, night scenes, and architecture, this lens provides extra mobility for active sports photographers who shoot wide angles.
XD Linear Motors for fast, accurate AF and reliable tracking : Four XD Linear Motors, two for each of the lens’s focus groups, contribute to fast, precise autofocus and tracking that make full use of the speed potential provided by high-performance α camera bodies. New control algorithms maximise the response of the XD Linear Motor system while achieving flawless synchronisation between the focus groups. Operation is also quiet with minimal vibration.
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