Photographic Flashbulbs

Photographic Flashbulbs

Photographic flashbulbs, also known as flashbulbs or simply bulbs, are a type of artificial lighting device used in photography to provide a brief and intense burst of light. They were first introduced in the early 20th century and quickly became a popular alternative to other forms of artificial lighting, such as tungsten lamps and carbon arc lamps. Flashbulbs consist of a small glass globe filled with oxygen and a metal filament, which is ignited by an electric current. When the filament burns, it produces a bright flash of light that lasts for only a fraction of a second. The intensity and duration of the flash can be controlled by varying the amount of electrical energy supplied to the bulb. Flashbulbs are commonly used in portrait, fashion, and product photography, as well as in scientific and forensic photography. They are particularly useful in situations where natural light is insufficient or unavailable, such as in indoor or low-light environments. Flashbulbs are also used in outdoor photography to fill in shadows and provide additional illumination. While flashbulbs were once a popular choice for photographers, they have largely been replaced by electronic flash units, which offer greater control over the intensity and duration of the flash, as well as the ability to synchronize with a camera's shutter. However, flashbulbs are still used by some photographers for their unique aesthetic qualities, such as the warm, natural color temperature and the ability to freeze motion.

artificial lighting, burst of light, metal filament, electrical energy, electronic flash units

— Andrew Campbell

CITATION : "Andrew Campbell. 'Photographic Flashbulbs.' Design+Encyclopedia. https://design-encyclopedia.com/define/photographic-flashbulbs?E=382678 (Accessed on October 13, 2026)"