A great everyday Aps-c lens for stills and moviesThis 16-50 mm (35mm full-frame equivalent: 24-75 mm) power zoom lens is perfect for day-to-day use, providing a standard zoom range and excellent features to support both photo and movie content creation.af performance that brings out the best in advanced bodiesWith an advanced linear motor and high-speed control, the E Pz 16-50 mm F3.5-5.6 0SS Ii makes it easier to focus on moving subjects with ease. Superior tracking performance supports the high-speed 120 fps continuous shooting capability of high-performance a9 Ill, as well as 4K 120p/Fhd 240p high frame rate movie recording. Focus is smooth, precise, and very quiet.Excellent optical performanceFour aspherical elements and one Ed (Extra low Dispersion) element in an innovative optical design achieve high resolution throughout a 16-50 mm zoom range.