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  2. LMS color space - Wikipedia

    en.wikipedia.org/wiki/LMS_color_space

    For example, if JE(λ) is spectral radiance with the unit W/m 2 /sr/m, then the quantal equivalent JQ(λ) characterizes that radiation with the unit photons/s/m 2 /sr/m. If CE λi ( λ ) ( i =1,2,3) are the three energy-based color matching functions for a particular color space (LMS color space for the purposes of this article), then the ...

  3. Planckian locus - Wikipedia

    en.wikipedia.org/wiki/Planckian_locus

    M is the black body spectral radiant exitance (power per unit area per unit wavelength: watt per square meter per meter (W/m 3)) T is the temperature of the black body h is the Planck constant c is the speed of light k is the Boltzmann constant. This will give the Planckian locus in CIE XYZ color space.

  4. Luminance - Wikipedia

    en.wikipedia.org/wiki/Luminance

    A luminance meter is a device used in photometry that can measure the luminance in a particular direction and with a particular solid angle. The simplest devices measure the luminance in a single direction while imaging luminance meters measure luminance in a way similar to the way a digital camera records color images.

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  6. Spectral power distribution - Wikipedia

    en.wikipedia.org/wiki/Spectral_power_distribution

    Mathematically, for the spectral power distribution of a radiant exitance or irradiance one may write: =where M(λ) is the spectral irradiance (or exitance) of the light (SI units: W/m 2 = kg·m −1 ·s −3); Φ is the radiant flux of the source (SI unit: watt, W); A is the area over which the radiant flux is integrated (SI unit: square meter, m 2); and λ is the wavelength (SI unit: meter, m).

  7. 9 Easy-to-Use Gel Nail Kits for a Long-Lasting Manicure - AOL

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    Salon Gel Polish Manicure Starter Kit. The Sally Hansen Salon Pro Gel Starter Kit is ideal for any beginner. It comes with a small UV light, base and top coats, and a shade of your choosing.

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