Floodlight
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A floodlight is a broad-beamed, high-intensity artificial light. It can provide functional area lighting for travel-ways, parking, entrances, work areas, and sporting venues to enable visibility adequ
Floodlights
Association football pitch at a sports center illuminated with floodlights.
Floodlights at Adelaide Airport.
Metal halide floodlight
Sodium-vapor lamp
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A sodium-vapor lamp is a gas-discharge lamp that uses sodium in an excited state to produce light at a characteristic wavelength near 589 nm.
Floodlight
…illumination. Prior to the emergence of white-light LEDs, the most common type of light source used in sports floodlights was the metal-halide lamp. Sodium-vapor lamps were also commonly used for sporting events, due to their higher luminous efficacy. These have been largely replaced by LED floodlights. LED floodlights…
Sodium street lights in Tuntorp, Sweden
An HPS lamp after turning off. The alumina material glows red because it is still hot.
Two Honda Fits under low-pressure sodium lamps. Both appear black, even though the car on the left is bright red, while the car on the right is actually black.
High-pressure sodium lamps (SON).