Sony developed the HDW-F900, the world's first digital video camera for cinema production, back in the year 2000. Then, in 2006, Sony released 4K digital cinema projection systems featuring Sony SXRD projectors. These products helped usher in the era of energy- and resource-saving digital cinema, replacing traditional film, which uses water and chemicals for film manufacturing and processing. In addition to conserving resources, digital film distribution to theaters is simplified using hard disks, which is much more efficient than transporting cases of traditional film. In 2013, Sony released the PMW-F55 CineAlta 4K camera, which supports 4K capturing in a compact package that consumes even less power.