Sigma, a 63-year-old company based in Kanagawa, Japan, just outside Tokyo, is known principally for its line of camera lenses, prized by professional photographers and beloved by devotees.

Pixel art is a form of digital art, where images are edited on the pixel level. The aesthetic for these kind of graphics comes from 8-bit and 16-bit computers and video game consoles.

The panel also included Dr Charmaine Toh, senior curator of international art (photography) at Tate; Thyago Nogueira ... He saw the digital transition with Nikon's D series cameras and is still, to ...

Waves are on the way. Plan ahead with 16 day forecasts.