StopPhotographyA unit of exposure measurement; one stop equals doubling or halving the amount of light.Learn about this termUnit 03: exposure trianglePhotographyRelated TermsExposureThe amount of light that reaches the camera sensor. Controll...F-stopA ratio expressing aperture size; smaller numbers (f/1.8) me...Shutter SpeedThe duration the camera's shutter remains open. Fast speeds ...