ANSI Lumens – Finding the Right Home Theater Projector

Some home theater projectors have 700 ANSI Lumens, some projectors have 3000 ANSI Lumens…so what’s the difference and how many are you going to need for your home theater? Anyone who is buying a projector is going to ask the same question. More Lumens isn’t always better and there are several reasons why. Be careful, if you spend more money than you need to, you might be unhappy with the picture and you’ll end up spending way more money in the future on the same projector that you were unhappy with in the first place.

* Here’s everything you need to know about ANSI Lumens:

What does ANSI Lumens mean?

ANSI is an acronym for “American National Standards Institute”. A Lumen is a measurement of light wave intensity. Every projector that uses ANSI as a standard have been measured with the same instruments and is an accurate display of how many Lumens there really are inside a home theater projector. For example, projector “A” was measured in ANSI Lumens with ANSI instruments and projector “B” was measured by the manufacturers instruments. Both projector’s claim to have 1000 Lumens but Its a safe bet to assume that projector “A” actually has 1000 lumens while projector “B” may actually have only 700 Lumens because it wasn’t measured by the national standard.

Always buy a projector measured in ANSI Lumens. That way, you’ll know for sure you bought the right projector based on how many real Lumens it has directly effecting the quality of the picture in your home theater.

3 Reasons Why Too Many ANSI Lumens can be bad:

Light Reflection: If you’ve ever taken a laser pointer and pointed it at a white wall in the dark, you’ll notice the bright red dot on the wall. You’ll also notice that the red dot is so bright that it creates a fuzzy light around the dot. The same thing happens when a home theater projector is too bright. The picture looks fuzzy because the bright image washes itself out with light.

If the image is too bright, it will in turn reflect light around the room and light up the theater room. Now, not only is the room too bright for a home theater, but the walls of the room are going to reflect the light back onto the projector screen and wash out the image even more.

Bulb Life: The more the Lumens, the brighter the projector bulb. The brighter the bulb, the hotter the bulb gets. The hotter the bulb gets, the quicker the bulb burns out. I don’t know about you, but spending $200 on a home theater projector bulb more times than I need to isn’t going to make me very happy.

Cost: Simply put, if your going to buy an expensive projector with more Lumens, then spend money each year on a bulb because the lamp gets too hot, your going to throw hundreds of dollars out the window for no reason.

How Many ANSI Lumens do you need?

• Low to No Ambient Lighting – 800 to 1200 ANSI Lumens: If you have a completely dark home theater or if you have enough ambient light to see but not enough to read a newspaper in your home theater room, all you need is a projector with more than 800 Lumens, but no more than 1200 Lumens.
• Low to Moderate Ambient Lighting – 1200 – 1800 ANSI Lumens: If you’d like to watch your home theater projector with ambient lighting from where you can barely read a newspaper to enough to read a book, you’ll need at least 1200 but no more than 1800 ANSI Lumens.
• Moderate to High Ambient Lighting – 2000 to 2800 ANSI Lumens: If your home theater is lit up with enough ambient light to see clearly, your going to need at least 2000 Lumens to see the picture. The picture will seem washed out if your projector screen is white so it is recommended to purchase a darker screen, such as a silver screen or a black diamond screen.
• High Ambient Lighting to an Outdoor Theater – 2800 to 4000 ANSI Lumens: If you plan on using your projector outdoors or in a theater with windows, outside light or bright lighting, you will need a projector with at least 2800 ANSI Lumens and to be safe, some where around 3200 Lumens should work. You will notice that the colors will be washed out unless you use a screen color other than white.

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