A thinner lens, of course, should let more light through, which is important when you are trying to shoot a beam a long distance. Fresnel’s lenses let through 98% of the lamp’s output ...

Making a traditional glass lens requires a lot of experience, skill, and patience grinding a piece of glass to the required shape, and is not for the casual experimenter. Making a glass Fresnel ...

Additional uses include improvements in smartphone cameras, lightweight optics for augmented and virtual reality devices, beam shaping ... (2025) Optical Fresnel zone plate flat lenses made ...