Exposure Triangle

Chance Hall

Exposure Triangle

The exposure triangle is a using aperture, shutter speed, and ISO in the exposure of a photograph. You must balance all three of these to get the desired photograph an adjustment of one aspect requires adjustments of at least one of the others.
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Shutter Speed

Shutter speed is the amount of time light is allowed in the camera, when a camera's shutter is open when taking a photograph. The amount of light that is allowed in the lens is proportional to the exposure time.
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Aperture

Aperture is the opening of a camera. How much light that is let in to the camera is dependent on the aperture. A large aperture has a small f/stop. And a small aperture has a large f/stop. Large apertures allow an abundant amount of light in. Small apertures allow less light in. Wide depth of field is obtained when using small apertures, or a larger f/stop. Shallow depths of field are required for large apertures with small f/stops.
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ISO

ISO is an artificial light. If you have a greater ISO your image will will be bright and grainy. You want a higher ISO in low lighting. If it is bright and sunny you want to set your ISO as low as possible, as your image will be of a greater quality. In general you want a low ISO because your images will be better, a high ISO will make your image lesser in quality but is a necessity in low light situations.
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White Balance

White balance is the temperature of the colors in you photo. It changes how light affect the color of your final image.
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