ExposurePhotographyPublic HealthThe amount of light that reaches the camera sensor. Controlled by the combination of aperture, shutter speed, and ISO.Learn about this termUnit 03: exposure trianglePhotographyUnit 05: john snowPublic HealthRelated TermsApertureThe size of the lens opening that controls how much light en...Shutter SpeedThe duration the camera's shutter remains open. Fast speeds ...ISOThe camera sensor's sensitivity to light. Higher ISO allows ...