2. Exposure Triangle

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ISO, Aperture and Shutter Speed, and Their Relationship to Each Other and to Light

Each and every image you make is influenced by light. Your camera meters the quality, quantity, and direction of the light, and provides you with exposure information that you can use to make images that represent your vision. Once you have the exposure information, it is up to you to decide what the best ISO, aperture, and shutter speed combination will best capture the mood of the scene you are photographing. I’ll take each element of the exposure triangle, illustrate the effect of selecting the best aperture, shutter speed, and ISO for ...

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