An incredibly versatile medium-format zoom, the Fujifilm GF 45-100mm f4 R LM OIS WR lens covers some of the most frequently used focal lengths by photographers, making it perfect for everything from landscapes to portraits. This lens features an equivalent focal range of 36-79mm, image stabilization rated at five stops, and a constant f/4 maximum aperture that provides consistent performance throughout the entire zoom range. Superior optical construction consists of 16 elements in 12 groups, including one Super ED element, one ED element and three aspherical elements that work together to maximize color accuracy and image clarity. Durable construction and a fast, quiet autofocus make the Fujifilm GF 45-100mm f4 R LM OIS WR lens ideal for shooting on-site, even in questionable conditions. True-to-life color and clarity One Super ED element and one ED element in the Fujifilm GF 45-100mm f4 R LM OIS WR lens help minimize chromatic aberrations and color fringing, increasing color accuracy. Three aspherical elements in the lens reduce distortion and control field curvature, improving overall image clarity. Fast, accurate focusing The internal focusing system in the Fujifilm GF 45-100mm f4 R LM OIS WR lens reduced both the size and the weight of the focusing group, helping keep the lens relatively lightweight at only 2.2 pounds (1005g). The linear autofocus motor helps achieve quick, quiet and precision focusing. Powerful and portable The Fujifilm GF 45-100mm f4 R LM OIS WR lens features tough, dust- and weather-resistant magnesium alloy construction, complete with 11 different seals designed to keep the elements out. At only 5.69 inches long (144.5mm), this lens is extremely transportable in spite of its 2.2x zoom power, and can operate at temperatures down to 14°F.