How to know if lenses are polarized at home
Learning how to know if lenses are polarized takes about ten seconds once you know which tricks to use, and you definitely don't need to be a scientist to figure it out. Whether you just grabbed a cheap pair of shades at a gas station or you're double-checking a high-end gift, it's worth knowing for sure. Polarized lenses are designed to cut through that annoying, blinding glare that bounces off water, snow, and car hoods, making them a lifesaver for driving or a day at the beach. ...