Katie Gosh's old gra
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lindilou
How many lumens are in the sun?
Well, direct outside daylight in the summertime averages somewhere in the neighbourhood of 10,000 foot candles. This is equal to 10,000 lumens per square foot. If you compare this to the output of our thousand watt metal halide bulb earlier, we can see that the sun does a pretty good job.
| 8 years ago. Rating: 2 | |
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