For example, a 50mm lens on a full-frame camera gives a normal view, but on an APS-C camera it offers a more telephoto, or zoomed-in view, equivalent to about 75mm on full-frame. To keep matters ...

The thinnest lens on Earth, enabled by excitons Date: May 30, 2024 Source: Universiteit van Amsterdam Summary: Lenses are used to bend and focus light. Normal lenses rely on their curved shape to ...