“Understanding camera lenses can help add more creative control to digital photography. Choosing the right lens for the task can become a complex trade-off between cost, size, weight, lens speed and image quality. ”
“This tutorial aims to improve understanding by providing an introductory overview of concepts relating to image quality, focal length, perspective, prime vs. zoom lenses and aperture or f-number.”
“All but the simplest cameras contain lenses which are actually comprised of several “lens elements.” Each of these elements aims to direct the path of light rays such that they recreate the image as accurately as possible on the digital sensor. ”
