Features: The lens features 56mm focal length and F1.4-16 large aperture, noiseless STM focus motor makes focusing more sensitive. Wide Compatibility: The lens is a perfect replacement for APS-C format Sony E-mountA6000 A6100 A6300 A6400 A6500 A6600 cameras, excellent for human portrait, scenery, building and more. Eye auto-focusing function makes it smarter to automatically detect human eyes and focus in portrait. 9 groups and 10 blades optical structures, including 1 ED lens and 1 high refraction index lens. Support auto aperture, A mode or S mode and EXIF information transmission, ensuring fast and stable shooting. HD multi-layer coating plus dust-resistant and water-resistant lens coating provide ultra-clear vision of shooting. USB interface can meet the needs of firmware upgrade for better performance.