As part of a new generation of Hasselblad lenses, the 180 f4 CFi (CF version improved) is a refinementÿ of the long-standing CF series of lenses. Redesigned to provide higher image-quality, longer-lasting reliability and ease of use, CFi lenses incorporate such features as a new internal design with new anti-reflection materials, new shutter design and spring material, a smoother focusing mechanism and a positive lock flash sync connection. The 180 f4 CFi is especially well suited for portrait, fashion, wedding, product and industrialÿ work or any situation which demands that you produce the best of all possible images. FEATURES INCLUDE: Close focuses to 5 ft (1.55m) Minimum aperture f32 Filter size B60