Convenient wide-angle zoom with a fixed f/2.8 aperture through the entire zoom range. Light & compact everyday carry lens. Built-in optical image stabilization for less camera shake while hand-holding on-the-go. Incredible quality from edge-to-edge due to 4 UD elements to minimize chromatic aberration, and 2 aspheric lenses. Impressive durability and weather-resistant construction equivalent to an L-series lens for use in harsh environments. The RF16-28mm F2.8 IS STM lens is our new lens that is perfect for both still and video content creators who may have a smaller budget but want high quality. This lens is now the smallest, lightest, RF zoom lens with extremely high image quality (equal that of an L series lens). For still image creators this light and compact lens weighing in at just over one pound will be a take anywhere kind of lens. Offering a fast F2.8 aperture throughout the zoom range, photographers can work in low light situations or take creative control and blur the foreground and background with wide apertures not available on standard kit lenses. Pairing this lens with the RF28-70mm F2.8 IS STM released earlier this year gives you incredible zoom coverage while maintaining high image quality.