Exposure for Elementary Photo基本的照片曝光.ppt
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1、Exposure for Elementary Photography,Exposure,To get a rich image with realistic tones, dark but detailed shadows, bright, delicate highlights, and vibrant colors you need to expose correctly.,Exposure,Chose a combination of aperture and shutter speed settings to allow the right amount of light for e
2、ach scene.,Exposure,The best prints result from properly exposed digital files and negatives.,Exposure,The purpose of correct exposure is to get just the right amount of light onto the capture sensor or film frame.,Exposure,A correctly exposed image is somewhat like a full glass of water.,Water runn
3、ing slowly will take a relatively long time to fill the glass.,Water turned to full blast will take a relatively short time to fill a glass,Correct Exposure,Whether the exposure is made (the glass is filled ) slowly or quickly with a fast or slow exposure time, or through a small or large opening, t
4、he goal is the same: to get a properly exposed, but not overexposed, image (full glass of water).,Correct exposure using digital capture,A correct exposure on negative film,4 Variables that influence Exposure,. Amount of light on the subject . Aperture or F stop selection . Shutter speed selection .
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