Solo disponible en BuenasTareas
  • Páginas : 3 (748 palabras )
  • Descarga(s) : 0
  • Publicado : 6 de septiembre de 2010
Leer documento completo
Vista previa del texto
Rocio Sanchez Torres #26 num. 949170 5-august-2010


The first permanentphotograph (later accidentally destroyed) was an image produced in 1826 [5] by the French inventor Joseph Nicéphore Niépce. His photographs were produced on a polished pewter plate covered with apetroleum derivative called bitumen of Judea


The first camera that was small enough to be considered portable was built by Johann Zahn in 1685. The first cameras were essentially similar toZahn's model, though usually with an improved approach. Before each exposure a sensitized plate was inserted. The popular daguerreotype of Louis Daguerre, released in 1839, using silver-plated copperplates, sensitized with iodine vapor, whereas in the calotype procedure invented by William Fox Talbot formed negative images on paper

1st camera made for general public

In the nineteenthcentury were designed many types of cameras. For example, cameras suitable for stereoscopic photographs, stereoscopic pairs of which finally had to look with an appropriate viewer, to viewthree-dimensional effect and relief. A typical stereoscopic camera had two objectives, to obtain two images simultaneously very similar, but not the same, from two points of view are very close. In fact it wasinspired by the human binocular vision.

In 1951, the first video tape recorder (VTR) captured live images from television cameras by converting the information into electricalimpulses (digital) and saving the information onto magnetic tape. Bing Crosby laboratories (the research team funded by Crosby and headed by engineer John Mullin) created the first early VTR and by 1956,VTR technology was perfected (the VR1000 invented by Charles P. Ginsburg and the Ampex Corporation) and in common use by the television industry. Both television/video cameras and digital cameras use...
tracking img