Lexy was a producer and on-air presenter who covered consumer tech, including the latest smartphones, wearables and emerging trends like assistive robotics. She won two Gold Telly Awards for her video ...

See some of our best 50mm lens options Fractals Filters Classic review: a three-pack of prisms for portrait photographers - Have a go using prisms at home with still life images Like this article? For ...

A prism is a solid glass object given a specific geometric shape for the purpose of dispersing, deviating, rotating or displacing a beam of light. A micro prism, as the name suggests, is a very small ...