Camera Lenses That Focus Via Heat Are Here, and They're Fascinating

Camera lenses are incredible. The amount of design and engineering that goes into them will blow your mind. All we see is the outer shell and the front and rear elements. However, inside is a complex work of art. Incredibly small tolerances and margins for error ensure your lens delivers razor-sharp images. It's really no wonder some camera lenses cost as much as they do. Now, though, a new lens that obtains focus via heat transfer generated by lasers is here. No, this isn't some far-fetched ide...