| 1. | In the UK, illuminances are reduced with higher values S / P ratio
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| 2. | An illuminance of 6400 8600 high pressure sodium, and metal halide lamps.
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| 3. | Illuminance is a measure of how much luminous flux is spread over a given area.
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| 4. | Two national standards now allow for variation in illuminance when using lamps of different spectra.
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| 5. | At EV = 15 ( the " sunny sixteen " amount of light ) the illuminance is or.
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| 6. | In radiometry, radiosity, luminance, luminous flux, luminous intensity, illuminance, luminous emittance ).
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| 7. | The luminance range of a scene maps to the focal-plane illuminance and gamma of the film.
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| 8. | for example, air temperature in the case of space-heating or lux levels for illuminance.
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| 9. | For a given spectral distribution, the photocurrent is linearly proportional to the illuminance ( and to the irradiance ).
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| 10. | In astronomy, apparent magnitude is a measure of the illuminance of a star on the Earth's atmosphere.
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