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Humans see and put all kinds of artificial lights to good use—such as flashlights, headlights, fluorescent lamps, etc. As consumers of these lights, have you wondered why certain lights are brighter or not as sharp as others? If you stare straight into a car’s headlight at night, you may end up damaging your cornea. The …

Read More about How Strong are 200, 300, 400, 1200, 1300 Lumens? 

Long gone are the days we used to measure our lighting strength by watts! Now, with lumens (lm for short), we can have a better understanding of the brightness of the light detectable by the human eye.  Buying bulbs based on their varying degrees of watts found in traditional halogen or LED bulbs is no …

Read More about How Many Lumens Can the Human Eye Detect?

It’s common knowledge that lightbulbs produce heat after a certain period. However, what most people don’t know is where this heat comes from. Do lumens produce heat? Or does it have something to do with the lamp’s wattage?  In this article, we explore the different units of measurements used in illumination tech to figure out …

Read More about Do Lumens Produce Heat?

If you’ve been browsing your local lighting aisle or online stores you’ve probably come across the terms Candlepower and Lumens printed on the side of light bulb packages. Don’t worry, the product inside is the same.  With these new units of luminous intensity and luminous flux, we can more accurately measure the intensity of the …

Read More about How Do Lumens Compare to Candlepower?

We’ve all probably tried to (accidentally) look at a bright light at least once in our life.  You may have experienced temporary light blindness, but nothing too serious to cause any concern.  Still, it’s normal to wonder “how many lumens are bad for your eyes?” or “how much does it take to actually cause blindness?”  …

Read More about How Many Lumens Are Bad for Your Eyes?

Understanding the specifications of projectors is an excellent way to ensure that you know what you’re getting. Knowing what you’re paying for is critical now that the projector market is flooded with options that vary widely in quality and features. Lux and lumens are terms that are thrown around a lot in stores and on …

Read More about Lux vs. Lumens in Projectors: All You Need To Know

The amount of lumens that a movie theater projector might produce would depend on the actual size of the screen. For example, if you go to an IMAX theater, that projector would use more lumens than a regular-sized movie theater projector would need to. Generally, a movie theater projector’s brightness ranges between 40,000 to 60,000 …

Read More about How Many Lumens Is A Movie Theater Projector?

Projecting in daylight can be a tricky endeavour if you are not familiar with the capabilities of your projector. Direct sunlight produces a staggering 120,000 lumens of brightness, which isn’t available in any projector in existence. Does this mean projecting in daylight is not possible? No, you should tackle this problem with some common sense. …

Read More about How Many Lumens Do You Need To Project in Daylight?