Simple and documentary-like, the videos offer a special lens for viewing the students who currently populate American academia.

FORBES: Life On The Web

Optical correlators, meanwhile, work by encoding images on to a beam of light and, using a special lens, transforming them into their Fourier components building-blocks that encode the thickness and direction of lines in the image, but not their position.

ECONOMIST: Optical recognition

That makes it see like a very special person behind that lens.

NPR: Producer Robert Wise Dies at 91

Through Special Olympics Lions Clubs International Opening Eyes, providing eye screenings to Special Olympics athletes, and the Lions Lens, a low-cost solution to the need for prescription eyeglasses, Lions are improving the quality of life for people around the world.

WHITEHOUSE: Helping Special Olympics Athletes See Clearly

The use of Special Low Dispersion (SLD) glass accompanied by aspherical lens elements not only compensates for a variety of aberrations, but also allows for a more compact size.

ENGADGET: Sigma DP3 Merrill packs a Foveon X3 sensor and a fixed F2.8, 75mm-equivalent lens

How many times have you found yourself at a special occasion only to realise that you have spent the majority of the day behind a lens of your camera or mobile?

BBC: Wearable tech pioneers aim to track and augment our lives