Image exposure controls the amount of light captured by a device’s camera sensor. On Android devices, this adjustment allows for brighter or darker images based on the ambient lighting conditions. For instance, in a dimly lit environment, increasing the exposure brightens the image, while in bright sunlight, decreasing it prevents overexposure or washed-out pictures.
Proper management of image brightness is vital for achieving optimal photographic results. Historically, exposure settings were manually controlled on film cameras. Digital cameras and, subsequently, smartphone cameras have automated many of these functions, yet manual adjustments remain crucial for nuanced control. Benefits include improved image clarity, enhanced detail in shadows and highlights, and the ability to achieve specific artistic effects.