The latest generation of superior quality lenses from Carl Zeiss. Integral leaf shutters allow optimal freedom, particularly useful for flash work at fast shutter speeds. Whether it's a fashion shoot in the studio or an action shoot with portable fill-flash on location, these leaf shutter lenses deliver correct captures up to a flash sync speed of 1/500 sec. Four times faster than the fastest flash sync speed of comparable focal plane shutter lenses. The CFi lenses are easy to use and feature extremely high image quality and Hasselblad's famous, long-lasting reliability.