9 Photographic and cinematographic apparatus and devices, namely, cameras specially designed for three dimensional photography, cameras specially designed for three dimensional cinematography, cameras specially designed for the taking of three dimensional moving pictures, 3D rigs, namely, camera mounts and supports for cameras used in three dimensional photography and cinematography; recording devices specially designed for three dimensional photography, namely, still image recorders, moving image recorders, audio recorders, metadata recorders; recording devices specially designed for three dimensional cinematography, namely, still image recorders, moving image recorders, audio recorders, metadata recorders; electronic devices that record characteristics of objects to be photographed or filmed, namely, spatial characteristics, shape, distance from the camera, distance from other objects and their spatial relationship to each other, texture, color, and temperature; apparatus used in three dimensional photography and cinematography for supporting artistic or technical decisions, namely, an automatic or semiautomatic corrective system comprised of a computer that is able to perform the necessary steps by using information from the recorded scene, namely, information from picture analysis, from sensors or from user interaction or all of the aforesaid, said system providing visual and audio information to the user in the nature of depth composition, possible improvements in depth composition, depth accuracy of a recorded scene, roundness of objects, depth continuity, boundaries of depth recording, and recorded metadata; so that appropriate corrections can be made automatically or at the user's discretion; apparatus used in three dimensional photography and cinematography for supporting artistic or technical decisions, namely, a user information system comprised of a computer that is able to perform the necessary steps by using information from the recorded scene, namely, information from picture analysis, from sensors or from user interaction or all of the aforesaid, said system providing visual and audio information to the user in the nature of depth composition, possible improvements in depth composition, depth accuracy of a recorded scene, roundness of objects, depth continuity, boundaries of depth recording, and recorded metadata; so that appropriate corrections can be made automatically or at the user's discretion; accessories for 3D recording specially designed for use with cameras, namely, additional mounts for 3D camera rigs, lenses, filters, filter glass, timecode generators, cables, charts for calibration, electronic calibration devices, light protection flags to prevent unwanted light from entering into the 3D camera rig, shoulder pads, camera handles, wedges to mount 3D camera rig in a balanced way, cages to turn a 3D camera rig upside down, glass covers for mirror box, covers to protect equipment from rain, covers to protect equipment from dust, tripods, dollies, cranes, camera stabilization systems, gyroscopes, hand-held film and video camera stabilizers and structural components therefor, mounting plates, camera monitors, screens, projectors, remote controls for focus, remote controls for controlling the iris of the camera lenses, remote controls for zoom, camera and lens motors, electronic motor controls, user interfaces to electronically control motors, measuring tapes, range finders, video and audio mixers, electronic control panels, microphones, wired and wireless intercom systems comprised of transmitters and receivers for transmitting audio information, wireless radios, loudspeakers, boxes for transporting equipment; image analyzers, namely, electronic image analyzers in the nature of a computer that analyzes picture material; apparatuses in the nature of data processors to support image analyzers with additional information, namely, information as to distance, metadata, user interaction, acceleration, gravity, light, temperature or properties of material; 3D glasses, namely, three dimensional optical glasses; computer software for visualizing and planning of the three dimensional effects that will be created during three dimensional photography and cinematography; computer software for use in three dimensional recording, namely, for the recording, visualization, retrieval, modification and management of three dimensional data and metadata; computer software that is used during production or post-production of three dimensional movies, namely, software to record three dimensional images, editing software for three dimensional images, software for manipulating three dimensional images, software to create, manipulate or process metadata, software for use in creating three dimensional special effects, software for creating the effect of three dimensional space on film, software used to convert two dimensional film to three dimensional film or images, software for detecting and correcting problems with three dimensional film or images, image analyzing software, computer software for displaying a three dimensional image, computer software for performing calculations necessary for three dimensional photography and cinematography, computer software for controlling and communicating with photographic and cinematographic apparatus and devices, all of the foregoing software designed to be used in producing and reproducing three-dimensional film, broadcasting three dimensional material, and producing and reproducing three dimensional photographs, and computer hardware sold as a unit therewith; electronic controls and electronic processing hardware specially designed to be used in producing three-dimensional film, electronic controls and electronic processing hardware specially designed to be used in producing three-dimensional broadcasts, electronic controls and electronic processing hardware specially designed to be used in producing three-dimensional photographs; electronic controls and electronic processing hardware specially designed to be used in reproducing three-dimensional film, electronic controls and electronic processing hardware specially designed to be used in reproducing three-dimensional broadcasts, electronic controls and electronic processing hardware specially designed to be used in producing three-dimensional photographs; three-dimensional projection devices, namely, multimedia projectors, mirror projection systems consisting of movie projectors with lights or lasers; lenticular projection systems comprised of an array of magnifying lenses, designed so that when viewed from slightly different angles, different images are magnified, said systems capable of providing more than one view; parallax barrier projection systems comprised of electronic devices in the nature of at least one picture projector and component parts of said projection system in the nature of an array of precision slits allowing each eye to see a different set of pixels, said systems capable of providing more than one view; three-dimensional displaying devices, namely, monitors that are able to display a three-dimensional picture by a polarizing pattern, monitors that are able to display a three-dimensional picture by a shutter system, special color monitors that are able to display a three-dimensional picture by wave length multiplexing or by a color encoding, monitors consisting of at least one mirror being located at the angle bisector between at two display units, parallax barrier systems comprised of electronic devices in the nature of at least one regular two dimensional computer monitor and an array of precision slits allowing each eye to see a different set of pixels, said systems capable of providing more than one camera view, parallax barrier grids, namely, comprised of at least one layer of material with a series of precision slits, allowing each eye to see a different view, said grids capable of providing more than one view, lenticular systems comprised of an array of magnifying lenses, designed so that when viewed from slightly different angles, different images are magnified, said systems capable of providing more than one view, and lenticular grids, namely, an array of magnifying lenses, designed so that when viewed from slightly different angles, different images are magnified, the foregoing grids capable of providing more than one view