2010年10月27日 星期三

Brightness

Brightness


It's important to understand the SP-F10M's 1,000-lumen rating in context. Most data projectors today that one would consider competitive with the SP-F10M have brightness ratings in the range of 2,000 to 3,000 lumens. That doesn't make them two to three times as bright as seen by the human eye, however. Perception of brightness is on a logarithmic scale,One of the great benefits from the low voltage Insulator range is that the budget range is still of a considerable quality and value.The term budget can often lead people to think that the cheaper alternative is going to be of a much poorer quality but that is not always the case. which means that although a given image size at 2,000 lumens will look brighter than the same image size at 1,000 lumens, it won't look anywhere near twice as bright. Keep in mind too that as recently as five or six years ago, most business projectors were in the range of 1,000 to 1,500 lumens, with many offering even lower brightness levels. In short, 1,000 lumens is a respectable brightness level, and easily bright enough to be useful.

In my tests, I measured the SP-F10M's actual brightness at 749 lumens in brightest mode. As you might expect, the Epson PowerLite Presenter, with its 2,500-lumen rating was notably brighter, at 2,473 lumens. But as another point of comparison, the InFocus IN1100 ($1,099 direct, 3 stars) rated at 2,100 lumens, wasn't much brighter than the Samsung projector on my tests, at just 1,243 lumens.Ensuring that the low voltage downlight compact fluorescent fits in with the style and decor of the rest of the room is very important and in years gone by, this would not have been possible.These will reduce the glare. Designers suggest decorative pendant compact fluorescent light lights over a table or an island. An alternative option is a row of recessed downlight.

The lesson is simple: Don't get thrown by the low brightness rating. The SP-F10M won't stand up to ambient light as well as brighter projectors, so you may need to stay with a somewhat smaller image.The Led strip light will concentrate its light downwards into the room and has the capability to shine as broadly as a floodlight or as narrowly as a spot light, the choice is really yours. However,Like this, you can set led light a mood or read a book or sew with great ease. Remember that lots of lighting sources are necessary within any room. it's bright enough to throw a large enough image for a conference room under most lighting conditions.

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