Plano-Convex (PCX) Lenses are with a positive focal length, so as ideal for collecting and focusing light in imaging applications. They can be also used in a variety of applications such as emitters, detectors, lasers, and fiber optics.
1.About PEVA car cover -Protect your vehicle from Rain, dust, dirt, bird droppings and more. -It made by single layer PEVA or PE. -Great for indoor and outdoor use especial for the rainy day. -This fabric is like plastic, will be 100% waterproof. -This co