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The Camera - Online Term Paper

The Camera

is defined as an apparatus for taking photographs or film or television pictures. It is a lightproof box through which an image is focused and recorded on film. Today there are many different types of cameras in use, all of them more or less advanced versions of the first camera. Nearly all of them are made up of the same basic parts:
-A lens and a shutter to control the amount of light reaching the light-sensitive medium
-A viewfinder to frame the scene
-A focusing mechanism.
Still Cameras

Focusing and Composing the Scene

All cameras use a lens for focusing, except for pinhole cameras, which focus the image on the film through a tiny hole. The focal length of a lens, i.e., the ...

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One of the simplest types is a screen that is placed on the back of the camera and replaced by the film in making the exposure. This time-consuming procedure is avoided in the modern 35-mm single-lens reflex cameras by placing the screen in a special housing on top of the camera. Inside the camera there is a movable mirror that bounces the image from the lens to the screen for viewing and focusing, and then flips out of the way when the shutter is tripped, so that the image hits the film instead of the mirror. The mirror automatically returns to place after the exposure has been made. In rangefinding cameras, the object is viewed by two separate windows; one views the scene directly and the other contains an adjustable optical mirror device. When this device is adjusted by rotating the lens, the image entering through the lens can be brought into display with the image from the direct view focusing the object on the film.

Controlling the Light Entering the Camera
...

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The Camera. (2005, March 2). Retrieved January 22, 2025, from http://www.essayworld.com/essays/The-Camera/23076

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PAPER DETAILS

Added: 3/2/2005 02:42:04 PM
Category: Miscellaneous
Type: Premium Paper
Words: 865
Pages: 4

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