what is the "K" of sunlight? - Mazda 6 Forums : Mazda 6 Forum / Mazda Atenza Forum
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post #1 of 9 (permalink) Old 10-23-2003, 08:32 PM Thread Starter
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what is the "K" of sunlight?

anyone know? i can't seem to find it....
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post #2 of 9 (permalink) Old 10-23-2003, 08:33 PM
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Reading Topic: what is the

I have no idea what you are even talking about? Please detail what you are looking for!

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post #3 of 9 (permalink) Old 10-23-2003, 08:36 PM Thread Starter
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Reading Topic: what is the

oh sorry i was comparing HID kits a they say 4300K is the brightest and anyhitng after that is just color diffrences i was woundering what the sun is rated at soory for the confusion
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post #4 of 9 (permalink) Old 10-23-2003, 09:06 PM
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Reading Topic: what is the

not sure but I think 4300k is rated as sunlight...I could be wrong.
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post #5 of 9 (permalink) Old 10-23-2003, 09:39 PM
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Reading Topic: what is the

I think sunlight is a little bit cooler than that. My 4150K halogens are pretty damn close.

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post #6 of 9 (permalink) Old 10-23-2003, 10:35 PM
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Reading Topic: what is the

K stands for Kelvin, a unit of measurement for the intensity of light. The lower the number the more "white" the light is....approaching true sunlight. Kits with a rating of 8000K and up look very blue/purple-ish.

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post #7 of 9 (permalink) Old 10-24-2003, 03:02 AM
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Reading Topic: what is the

Here's a list of some Kelvin color temperatures:

1500 k Candlelight

2680 k 40 W incandescent lamp

3000 k 200 W incandescent lamp

3200 k Sunrise/sunset

3400 k Tungsten lamp

3400 k 1 hour from dusk/dawn

5000-4500 k Xenon lamp/light arc

5500 k Sunny daylight around noon

5500-5600 k Electronic photo flash

6500-7500 k Overcast sky

9000-12000 k Blue sky
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post #8 of 9 (permalink) Old 10-25-2003, 03:06 AM
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Replying to Topic 'what is the

The color temperature of a particular scene is of a constant concern for film and television production crew members. In this industry, shooting of day time scenes is treated as 6500 Kelvin.
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post #9 of 9 (permalink) Old 10-25-2003, 03:13 AM
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Replying to Topic 'w

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Originally posted by PSIVIC


* * * * * * K stands for Kelvin, a unit of measurement for the intensity of light. *The lower the number the more "white" the light is....[/b]
It's generally the reverse of that -- the higher number the "whiter" the light. But this depends on the perspective from which you are making the statement.

In most visual industries (graphic design, photography, film production) 5000-6500 degress is treated as neutral white. Below that is warmer (more yellow, orange, or red in hue) and above is cooler (and more blue).

So if you were to perform side by side comparisons: Looking at 5000 and 8000, the lower number will appear more white (because 8000 will appear too blue). But if you look at 3000 and 5000, then 5000 will look more white (because 3000 is yellow by comparison). It's all relative.
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