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What is exposure in photography?
Exposure in photography refers to the amount of light that reaches the camera sensor when taking a photo. It is determined by three main factors: aperture, shutter speed, and ISO.
What is aperture?
Aperture is the opening in the lens through which light passes. It is measured in f-stops, with lower f-stop numbers indicating larger apertures (more light) and higher f-stop numbers indicating smaller apertures (less light).
What is shutter speed?
Shutter speed refers to the amount of time the camera shutter is open to allow light to reach the sensor. Faster shutter speeds allow less light in and are used to freeze motion, while slower shutter speeds let in more light and can create motion blur.
What is ISO?
ISO measures the sensitivity of the camera sensor to light. A lower ISO number (e.g. 100) is less sensitive to light and is used in bright conditions, while a higher ISO number (e.g. 1600) is more sensitive and is used in low light situations.
How do aperture, shutter speed, and ISO work together?
Aperture, shutter speed, and ISO work together to control the exposure of a photo. By adjusting these settings, photographers can achieve the desired brightness and sharpness in their images while also controlling factors like depth of field and motion blur.
