Area can be used to find lumens. There are specific equations that are used to find lumens and area can be included in these equations. Plug the numbers into the equations and the amount of lumens will be found.
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4203 = 420 x 420 x 420 = 74088000
21% of 420= 21% * 420= 0.21 * 420= 88.2
95% of 420 = 399 = 95% * 420 = 95%/100% * 420 = 0.95 * 420 = 399
Bright
250 lumens is approx the same, as you would get from a 20w household lightbulb.
one lightening candle is one lumens, 120 lumens is 120 candles togher. Like IMALENT 4000Lumens, DDT40,imagine how it is bright.
High Bright: 1700 Lumens Eco Mode: 1360 Lumens http://www.infocus.com/Support/Products/Projectors/IN24.aspx
This is very bright for indoor lighting, the equivalent of about 350 watts of incandescent lighting, or a 65-watt and 42-watt CFL pair (4200 and 2700 lumens respectively).
Its about the Same as a 311 watt light bulb
It is equivalent to a 75 watt incandescent bulb
Lumens measures how bright it is, watts measures how much electric power it uses up. An old-type incandescent bulb produces about 10 lumens per watt. A halogen produce about 13 lumens per watt. A fluorescent (energy saving) bulb produces about 50 lumens per watt. LEDs produce somewhere around the same as a fluorescent.
A 50 watt incandescent bulb is about 650 lumens.
it is hard to describe by words, why not to buy an infinite bright flashlight to compare. I know a flahslight with displaying lumens. It is DDT40 imalent. from 5 lumens to 4000 lumens you could find a way to compare gradually. by the way, one lightening candle is a lumens.
Mitsubishi HC3900 with 3000 ANSI Lumens....best!
The 3M 2000 has a brightness of 1,600 lumens, which should be bright enough even in moderate daylight.