3. THE CHARACTERISTICS OF LIGHT
THERE ARE MANY ways to characterize light: quantity, direction, size, color, and range. All of these are important to the final photograph, but some are more significant when it comes to the technical world of exposure. In order to achieve optimum exposure, we need to have a solid understanding of what aspects of light affect the exposure system and how we can work with them.
Quantity
Do you want to know how much light there is? Use a traditional handheld light meter (yes, they still make them) to get an exact reading. One of the options on most of these light meters is to measure light in terms of Exposure Value ...
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