Today, we discussed about the key elements of setting the exposure of a camera. The exposure triangle (ISO, aperture, and shutter speed) is one of the most important parts of the camera. The proper setting of the exposure triangle mainly determines the outcome/ development of a shot. When set properly, it will produce great photos. We also talked about how different photographs, with different settings, can have the same exposure. We can produce the exact same exposure simply by calculating. The easiest way to do this is to move both the shutter speed and aperture to an equal number of stops; one higher and one lower. Given an example, using an ISO of 400, 1/30 for shutter speed, and f8.0 for aperture would create the same exposure as using 1/60 for shutter speed and f5.6 for aperture; both one stop higher and lower, respectively.
Here are some photographs I took earlier using different settings, but all with the same exposure.
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| Base setting: SS - 1/30, A - f8.0, ISO - 800 |
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| 2nd setting: SS - 1/60, A - f5.6, ISO - 800 |
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| 3rd setting: SS - 1/15, A - f11, ISO - 800 |
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| 4th setting: SS - 1/50, A - f14, ISO - 1600 |
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