The phrase "has flash" typically refers to a digital camera capable of producing bright bursts of light to illuminate a subject in low light conditions. Synonyms for "has flash" might include "flash-equipped," "flash-enabled," "flash operational," or simply "flash accessible." Other related phrases might include "built-in flash," "pop-up flash," "external flash compatible," or "flash-ready." These phrases all describe cameras or other devices that offer the ability to add additional light to a scene, whether through an integrated flash unit or through external hardware. Whatever the phrasing, the ability to add flash to a photograph is a critical feature in many situations, from formal portraits to nighttime landscapes.