![Project Dragonfly lens array and example photo side by side](https://petapixel.com/assets/uploads/2021/11/Researchers-Bundle-24-400mm-Lenses-into-Massive-Telescope-Array-300x157.jpg)
Researchers Bundle 24 400mm Lenses into Massive Telescope Array
An international team of researchers has bundled groups of 24 Canon EF 400mm f/2.8 lenses together into what they call the Dragonfly Telephoto Array in order to capture photos of distant stars.