The OM SYSTEM M.Zuiko Digital ED 8-25mm f/4 PRO is a versatile ultra-wide-to-standard zoom lens designed for the Micro Four Thirds system, offering a full-frame equivalent focal range of 16-50mm for exceptional flexibility in landscapes, architecture, travel, street photography, and video production. Its advanced optical construction incorporates aspherical, low-dispersion, and high-refractive-index lens elements to minimize chromatic and spherical aberrations while delivering outstanding sharpness, contrast, and color accuracy throughout the zoom range. The constant f/4 maximum aperture provides consistent exposure performance, while the MSC (Movie & Still Compatible) autofocus system ensures fast, accurate, and quiet focusing for both photography and video applications. Additional professional features include a manual focus clutch for quick switching between autofocus and manual focus, a programmable L-Fn button for customized control, and a rugged weather-sealed PRO-series construction designed to withstand dust, splashes, and harsh outdoor conditions. | Om System | | M.Zuiko Digital ED 8-25mm f/4 PRO Ultra-Wide Zoom Lens for Micro Four Thirds, Weather-Sealed, Constant f/4 Aperture | Black | Best Buy