Digital photography
Unlike analogue cameras, digital cameras provide instant photography. The captured image is displayed on the built-in screen straight away. This means the photographer can immediately delete any unwanted images.
The sensor in a digital camera has millions of The smallest item of information in an image., each of which make up a light-sensitive A sensor that manages light that shines on it. This cell generates an electrical current in response to light.
Types of digital camera
There are different types of digital cameras:
Click through the slideshow to see different types of digital camera:
Image caption, DSLR (digital single-lens reflex camera)
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Digital files
Images are captured as digital files and stored on removable media cards. Files can be transferred to a computer and then erased from the card - this makes the cards reusable, unlike film.
A photographic file is data, like other computer files. It can be saved to any computer storage media. The file can also be copied and recopied without loss of quality.
Almost all newspapers, magazines, books, brochures and other printed materials are now created on computers and use digital image files for their photographs.
Digital image manipulation
Digital photographs, images and other graphics can all be Control or alter in a skilled way using computer software:
- Simple editing can include cropping the image or removing errors and minor blemishes like dust spots. Underexposed areas can be lightened or washed out areas can be darkened.
- More significant changes to an image can be used for artistic or experimental effect. For example, changing the contrast, increasing or decreasing colour How strong or intense a hue or colour is, adding blurring or mixing areas of black and white, and colour.