Though still only in the prototype stage, this flat lens could one day be used on space telescopes, and perhaps even on amateur telescopes.

Within each cell, a reflector focuses light through an ... is to make pilots believe that when they look at the column of light cells (the lenses are separated by an inch), they are looking ...

Using a lens to shape light isn’t a new concept – after all, if you’ve ever taken apart a flashlight, you’ll find a cone-shaped silver reflector and a lens to project that light into the classic ...

When white light passes through a curved lens it breaks down into its various ... to grind mirrors with a regular curvature, so the reflector remained largely a curiosity until the mid-18th ...

At NAB 2025 in Las Vegas, a new company called Betty was showing its patent-pending. They are being touted as scalable, rugged, ...

At NAB 2025 in Las Vegas, Godox was showing itsR andBi, which are being touted as affordable, compact LED fixtures.

There are two basic types of telescope: refractors and reflectors. A refractor uses lenses to refract light and bring it to a focus. Reflectors utilize at least two mirrors to reflect the light to ...