The European Space Agency's Euclid space telescope was going through preliminary tests in September 2023 when it captured images of an Einstein Ring in a nearby galaxy.

If you look at the Lumus Z-30 Optical Engine for AR glasses, it looks pretty much like an ordinary pair of glasses. But it's AR.

This relaxing video provides a behind-the-scenes look at Sigma's factory in Japan, showing the full assembly process of its 70-200mm lens.