Cameras

The size of the aperture and the brightness of the scene control the amount of light that enters the camera during a period of time, and the shutter controls the length of time that the light hits the recording surface. Jacques Daguerre s popular daguerreotype process utilized copper plates, while the calotype process invented by William Fox Talbot recorded images on paper. Stereo cameras for making lenticular prints have 3, 4, 5, or even more lenses. Opened up Cine Kodak, used 35mm movie film The first colour photograph was made by James Clerk Maxwell, with the help of Thomas Sutton, in 1861. 4 On some cameras this is indicated by symbols (head-and-shoulders; two people standing upright; one tree; mountains). Cameras that capture many images in sequence are known as movie cameras or as cin cameras in Europe ; those designed for single images are still cameras. Rangefinder cameras allow the distance to objects to be measured by means of a coupled parallax unit on top of the camera, allowing the focus to be set with accuracy. Early photographic cameras were essentially similar to Zahn s model, though usually with the addition of sliding boxes for focusing.

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