Web Disign

The aperture is the diameter of the lens opening and is usually controlled by an iris. The larger the diameter of the aperture, the more light reaches the film. Aperture

The shutter speed is a cover over the film or CCD that controls the length of time that the light reaches the film.     Shutter Speed

The ISO denotes is how sensitive the image sensor is to the amount of light present. The higher the ISO, the more sensitive the image sensor and therefore the possibility to take pictures in low-light situations.      ISO

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~ by rollingsal on January 26, 2010.

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