Join Date: Mar 2006
Location: New England
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Incandescent tungsten lighting runs from about 2600–2900˚ K in color temperature, Halogen lighting runs about 3000-3300˚ K and daylight runs from 5000˚K on a sunny day to about 6500˚K on a lightly overcast day.
Photographically speaking, tungsten lighting is measured at 3200 or 3400 Kelvin and Daylight is 5000˚ Kelvin. BTW, the color temperature of light is based on the temperature a black body radiator would have to be heated to to give off that color light... the higher the temperature, the bluer or cooler the light color.
Fluorescent lights are not measured in color temperature generally since they emit a discontinuous spectra of light—and can not be replicated by a black body light source.
I would agree that you should have some fixtures that are red in color for night use, since red lighting doesn't destroy your vision's dark adaptation and night vision capabilities. Even a fairly low-power white light is able to destroy your night vision for as much as 45 minutes or more—and if you're an older sailor, it takes even longer to recover.
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You know what the first rule of sailing is? ...Love. You can learn all the math in the 'verse, but you take
a boat to the sea you don't love, she'll shake you off just as sure as the turning of the worlds. Love keeps
her going when she oughta fall down, tells you she's hurting 'fore she keens. Makes her a home.
—Cpt. Mal Reynolds, Serenity (edited)
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Still—DON'T READ THAT POST AGAIN.
Last edited by sailingdog; 01-15-2008 at 12:18 AM.