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The shutter keeps light out of the camera except during an exposure, when it opens to let light strike the image sensor. In respect to just exposure, faster shutter speeds let less strike the image sensor so the image is darker. Slower speeds let in more so it's lighter.
submitted: 5 years and 3641 days ago
Modern digital cameras have sophisticated ways of controlling the aperture and shutter speed. In fully automatic mode the camera sets them both to produce the best possible exposure. However, there are other exposure modes that are widely used in digital photography.
submitted: 5 years and 3641 days ago
Digital photographs are actually mosaics of millions of tiny squares called picture elements— or just pixels. Like the impressionists who painted wonderful scenes with small dabs of paint, your computer and printer can use these tiny pixels to display or print photographs. To do so, the computer divides the screen or printed page into a grid of pixels.
Let's see how this exactly works.
submitted: 5 years and 3641 days ago
When it comes time to choose a new digital camera, there is quite a range of types to choose from. You are often trading off size versus features. Pocket sized cameras usually don't have as many features as larger cameras, but they are much more convenient. The best news is that despite their great differences, most cameras will capture very high-quality images, especially when used to create snapshot-sized prints.
submitted: 5 years and 3641 days ago