The mystery of Christiaan Huygens’ flawed telescopes may have been solved
The famed 17th century scientist may have been nearsighted, a researcher contends
![A collection of lens set up in front of a drawn portrait of Christiaan Huygens.](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2023/03/031323_ec_huygens_feat.jpg?fit=1030%2C580&ssl=1)
Christiaan Huygens built telescopes to observe Saturn in the 1600s, but they weren’t as good as those of his rivals, even though his lenses (a few shown with a portrait of Huygens) were well made. That may be because the astronomer needed glasses, one researcher proposes.
Rijksmuseum Boerhaave, Leiden