Lumens (Iv) oand/or candelas per square meter.
Is it?
Bright field microscopes are most used for microscopic work.
A partial eclipse doesn't hide all the sun's surface. An annular eclipse leaves a ring shape of bright surface all round. A full eclipse doesn't hide the sun's corona which is still quite bright.
That depends a LOT on the technology used - some technologies are much more efficient than other (converting a higher percentage of the power used into visible light).
The 3M 2000 has a brightness of 1,600 lumens, which should be bright enough even in moderate daylight.
one lightening candle is one lumens, 120 lumens is 120 candles togher. Like IMALENT 4000Lumens, DDT40,imagine how it is bright.
Yes, 1000 lumens is considered bright, and it is suitable for lighting up a room or outdoor space effectively. It is a common level of brightness for flashlights, light bulbs, and portable lanterns.
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).
It is equivalent to a 75 watt incandescent bulb
3300 lumens is considered fairly bright, suitable for lighting up a medium-sized room or outdoor area. It is equivalent to the brightness of a traditional 200W incandescent light bulb.
2600 lumens is considered quite bright for a light source. It is roughly equivalent to the brightness of a 150-watt incandescent bulb, making it suitable for illuminating large spaces or outdoor areas.
Well friend, lumens and watts measure different things. Lumens tell us how bright a bulb is, while watts tell us how much energy it uses. A 35 lumens bulb may not be as bright as a 60 watts bulb, but it can still light up a room beautifully in its own gentle way. Just remember, every light has its own special glow that can bring warmth and comfort to any space.
A good projector will have 2000 or more lumens, but an LED projector will have much less.
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!