"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." If you’re shopping for a flashlight, you may think looking at how many lumens it puts out is the best way ...

When it comes to selecting the right projector for your needs, whether it's for a home theater, business presentations, or educational purposes, understanding the units of measurement for brightness ...

A huge focus of the AV world has been on brightness, and for good reason. Without an adequately bright image, especially in a room awash with ambient light, your displays picture will look washed out ...