When most of us talk digital cameras, we talk megapixels, ISO, image noise, shot-per-second speed and image processing. We're tech geeks. But really, none of that stuff matters as much as your camera's lens.

 

The lens is, after all, your camera's eyeball—the image sensor or film can only record what comes in through the lens. It's what defines the picture's perspective, clarity and way more.

...

 

http://i.gizmodo.com/5160891/giz-explains-why-lenses-are-the-real-key-to-stunning-photos?skyline=true&s=x