| The video camera first made its debut in the | | | | ones were large, mounted on trolleys and |
| television industry but has now penetrated | | | | connected by wires to recorders kept in |
| the common field. BBC (British Broadcasting | | | | another room. Technology meant downsizing |
| Company) used the first ones in the 1930`s. | | | | everything to mini handy proportions. |
| The video camera is used mainly for two | | | | |
| purposes. The primary one is for projection | | | | Simultaneously costs began to go down making |
| of live shows, like the ones we see on the | | | | it more affordable to the common people. |
| television as also for immediate spying as | | | | Sales shot up boosting further research in |
| used by and for the military and industrial | | | | the field. Shoulder operated luggage type |
| operations. The second purpose is for storage | | | | video cameras used to sell for US$1500. Today |
| and archiving. Videotapes were at one time in | | | | better features are available from a mini |
| use but now discs have replaced these. | | | | model of video camera (filmadora) that can |
| | | | rest on the palm of the hand for US$150! It |
| The latest video cameras (filmadora) are a | | | | is a revolution in evolution. |
| far cry from its first generation models - | | | | |
| similarities are difficult to trace. | | | | It consists of three parts - the lens, the |
| Professional models of video cameras are | | | | imager and the recorder. The lens focuses |
| mobile units and allow fine manual control as | | | | light on the object. The imager converts this |
| required in fieldwork. Camcorders (filmadora) | | | | into video signal and then finally it is |
| are also video cameras - it is a combination | | | | stored or recorded in the recorder. The |
| of a camera and a recording device (VCR). | | | | camera (filmadora) section consists of the |
| These are in great demand for home movies, | | | | optics and the imager. The lens has an |
| television production, electronic news | | | | aperture to control light, zoom to define the |
| conferences etc. | | | | field of vision and shutter-speed to capture |
| | | | motion in continuity. The electronics |
| Another type of video camera is the closed | | | | automatically controls and adjusts these |
| circuit variety that is used for security and | | | | units. |
| monitoring. They are tiny so that can be | | | | |
| hidden and are often used to monitor the | | | | Professionals have the option of choosing |
| environment in settings where man cannot | | | | from models, which have manual functions as |
| physically go. These web cams are video | | | | well so that the operator has a say in the |
| cameras used where there is danger from | | | | matter. The imager is the eye of the set and |
| radiation, excessive heat and exposure to | | | | changes light into video signal |
| poisonous chemicals and inhospitable terrain. | | | | electronically. The recorder writes the video |
| | | | signal on to a magnetic videotape or disc. |
| Another model is the digital camera that | | | | The time and date are also recorded. |
| converts the signal to a digital output and | | | | |
| these are even smaller than the security | | | | From ancient times man has been desperate and |
| cameras. Often these are incorporated into | | | | keen to capture in time what is fleeting and |
| the body of the computer or mobile pones and | | | | transitory. He has scratched on stone and |
| laptops. Special types of video cameras are | | | | papyrus building library after library of |
| used abroad satellites for probing space or | | | | life that is as fleeting as the moving river. |
| inserted in robots creating artificial | | | | This urge still remains. With the video |
| intelligence. These come in handy also for | | | | camera (filmadora) we capture eternally our |
| medical use. | | | | personal lives and record history of protests |
| | | | and speeches. |
| Video cameras (filmadora) are slowly taking | | | | |
| over the film world as video technology | | | | This article is under GNU FDL license and can |
| improves by the day. Video cameras are now | | | | be distributed without any previous |
| able to create special effects like infinite | | | | authorization from the author. However the |
| regression - repetition of a scene. | | | | author's name and all the URLs (links) |
| | | | mentioned in the article and biography must |
| Video cameras were first meant for | | | | be kept. |
| broadcasting television pictures. The first | | | | |