You check your camera feed and something looks off. The image is hazy. Or blurry. Or there's a weird smudge right in the middle of the frame. You wipe the lens with your shirt. Now it's worse. Now there's a streak. I've seen this happen more times than I can count. Someone spends hundreds of dollars on a security camera system, then ruins the image quality with a bad cleaning job. The good news is that cleaning a camera lens properly takes about two minutes. The bad news is that most people do it completely wrong....