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  2. Camera scanning (negatives), spectral lighting testing, Dynamic range tests
  3. Spectral analysis of different light sources

Spectrum 3

Spectrums of different light bulbs. Through a 1,000 lines/mm linear diffraction grating. R, G, and B levels were adjusted to be equal.
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Philips soft white CFL (no claim for full spectrum)
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Philips soft white CFL (no claim for full spectrum)

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  • Home Depot EcoSmart soft white CFL (no claim for full spectrum)
  • Philips soft white CFL (no claim for full spectrum)
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  • Cree daylight LED 60W (equiv. 9 watts real) 5000K CRI 80
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