| aperture |
A small, circular opening inside the lens that can change in diameter to control the amount of light reaching the camera's sensor as a picture is taken. The aperture diameter is expressed in f-stops; the lower the number, the larger the aperture. For instance, the aperture opening when set to f/2.8 is larger than at f/8. The aperture and shutter speed together control the total amount of light reaching the sensor. A larger aperture passes more light through to the sensor. ...
출처: www.bytecamera.com/content/view/23/27/
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| aperture |
The diameter of the objective.
출처: www.astronexus.com/saafaq/glossary.php
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| aperture |
The lens opening that controls the amount of light that reaches the image sensor.
출처: www.prosecuritywarehouse.com/techschool.html
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| aperture |
The diameter of a telescope's primary (largest) optical surface (lens or mirror), usually expressed in inches or meters. Larger apertures allow the telescope to collect more light and see fainter objects.
출처: www.the-cas.org/glosary.htm
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| aperture |
The opening of the lens that controls the amount of light reaching the surface of the pickup device. The size of the aperture is controlled by the iris adjustment.
출처: www.cbcamerica.com/cctvprod/glossary.htm
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