The Fujifilm Fujinon OIS XF 10-24mm f/4 R Standard Lens is designed to cover a useful range of wide-angle focal lengths. The Fujinon lens has a 15-36mm-equivalent zoom, which also features a constant f/4 maximum aperture, as well as an advanced optical design, which features optical image stabilization. The fujinon lens also uses a series of extra-low dispersion & aspherical elements, which helps to control chromatic and spherical aberrations, & provides color accuracy, sharpness, & accurate rendering. Its Super EBC coating helps to reduce flare & ghosting, which improves contrast and color accuracy in your images. An optical image stabilization system assists in minimizing the appearance of camera shake, improving sharpness in your images and videos.