A smudged or dusty camera lens can blur and ruin the overall image quality. That's why you should clean your phone's camera occasionally. Below you will find the steps you need to follow to clean ...

To solve this, they created an air knife to clean the lens. The air knife consists of a wide, flat nozzle that is designed to blow fluid off of the lens. It’s a tidy 3D printed design ...

Prescription eyeglasses can cost as much as $1,000, and most have plastic lenses, which scratch more easily than glass. Clearly, you need to protect your investment. But should you clean lenses ...