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The lux (symbol: lx) is the SI derived unit of illuminance, measuring luminous flux per unit area. It is equal to one lumen per square metre. In photometry, this is used as a measure of the intensity, as perceived by the human eye, of light that hits or passes through a surface. It is analogous to the radiometric unit watt per square metre, but with the power at each wavelength weighted according to the luminosity function, a standardized model of human visual brightness perception.
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Tampa (US: ) is a major city in, and the county seat of, Hillsborough County, Florida, United States. It is on the west coast of Florida on Tampa Bay, near the Gulf of Mexico. Tampa is the largest city in the Tampa Bay Area. With an estimated population of 399,700 in 2019, Tampa is the 48th most-populous city in the U.S. and the third-largest city in Florida after Miami and Jacksonville. The bay's port is the largest in the state, near downtown's Channel District. Bayshore Boulevard runs along the bay, and is east of the historic Hyde Park neighborhood.
Today, Tampa is part of the metropolitan area most commonly referred to as the "Tampa Bay Area".
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