Engineers at MIT, in partnership with the University of Massachusetts at Lowell, have devised a way to build a camera lens that avoids the typical spherical curve of ultra-wide-angle glass, while still providing true optical fisheye distortion. The design is a type of “metalens,” a wafer-thin material patterned with microscopic features that work together to manipulate light in a specific way.
The new design could potentially be adapted for a range of applications, with thin, ultra-wide-angle lenses built directly into smartphones and laptops, rather than physically attached as bulky add-ons.The low-profile lenses might also be integrated into medical imaging devices such as endoscopes, as well as in virtual reality glasses, wearable electronics, and other computer vision devices.
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