ISO sensitivity expresses the speed of photographic negative materials
Since digital cameras do not use film but use image sensors instead, the
ISO equivalent is usually given.
What 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.
When you look at the technical specifications of a digital camera, one of the
very first specification mentioned is its
maximum aperture and/or its
aperture range.
Shutter speed is measured in seconds – or in most cases fractions of seconds. The bigger the denominator the faster the speed (ie 1/1000 is much faster than 1/30).
White balance – A function on the camera to compensate for different colors of light being emitted by different light sources
Histogram – A graphic representation of the range of tones from
dark to light in a photo. Some digital cameras include a histogram
feature that enables a precise check on the exposure of the photo
Depth of field- Depth of field is a measure of how much of a scene (from the front to the back of the image) will be in focus. Although not strictly digital photography terminology, the affect still applies to digital cameras.
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