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If you have ever tried taking pictures straight from your television screen, you might have sometimes noticed horizontal lines running up and down the picture. That is because a TV screen is "painted" one pixel at a time from top to bottom. The lines appear on your pictures when you use a shutter speed that is too fast and that "freezes" the lines on the television image.
submitted: 5 years and 3662 days ago
Night photography has an attraction all its own. There's something about scintillating lights from office windows hanging in the dark of the night -- a modern version of the starry skies -- that appeal to us. Whether it's a city skyline, lamp posts on a dark and deserted street, or the front of your house all decked out with holiday lights, the challenge of capturing the mood of a night scene depends on whether your digital camera is capable of night photography and on a couple of simple techniques.
submitted: 5 years and 3662 days ago
Knowing how your digital camera meters light is critical for achieving consistent and accurate exposures. Metering is the brains behind how your camera determines the shutter speed and aperture, based on lighting conditions and ISO speed. Metering options often include partial, evaluative zone or matrix, center-weighted and spot metering. Each of these have subject lighting conditions for which they excel-- and for which they fail. Understanding these can improve one's photographic intuition for how a camera measures light.
submitted: 5 years and 3662 days ago