Friday, 23 September 2011

How Does a Camera Take a Photograph?

When you press the button on the camera, you are exposing it to light. All photographs captured by light. A camera has an opening that is covered up by a light-proof curtain called the shutter. The lens is directly in front of the shutter. When the button is pressed on a camera to take a picture, the shutter opens and exposes “the film” to light for a very short moment. The film is so sensitive to light that it only needs to open for less than a blink of an eye to see and record whatever was in front of the camera when the shutter was opened..

A photograph can lack interest if the focal point is positioned right in the middle. Using the rule of thirds can make the photograph look more interesting. The rule of thirds is where you draw two horizontal and two vertical lines through the picture you want to capture. This makes the photograph look more interesting as the focal point is off centre.

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