I Tested the Dwarf 3, a perfect tool for astrophotography beginners with loads of features for more experienced stargazers.

The first telescopes refracted light, and today reflectors dominate, but there is a third way to make light focus, and it ...

The thicker and heavier the lens, the more it bends the light, and the stronger the magnification. For everyday cameras and backyard telescopes, lens thickness isn't a huge problem. But when ...

For centuries, cameras and telescopes have relied on curved glass or plastic lenses to bend light and bring images into focus ...

The thicker and heavier the lens, the more it bends the light, and the stronger the magnification. For everyday cameras and backyard telescopes, lens thickness isn’t a huge problem. But when ...

For centuries, telescopes have relied on curved lenses and mirrors to observe the Universe. A team of researchers has recently developed a flat, lightweight lens capable of capturing precise color ...