The STM AF system is fast, smooth, and quiet, making it suitable for both stills and video. STM Stepping AF Motor. Aperture Range: f/4.5-6.3 to f/32. Features and Functions Super Spectra Coating.
Exc budget lens to start. After few shoots, Fast focus, Good IS, Nice image quality, Exc Zoom at this Price Point. Yes, I do Recommend this lens, when bought with a kit.