Researchers introduce a cost-effective method for producing optical Fresnel zone plate lenses, using colored photoresists for ...

Nikon is offering massive savings on 27 Z-mount lenses, so how do you choose? Read on to find all you need to know! But hurry ...

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Once a weed has been detected, the robot proceeds to destroy it by concentrating sunlight onto it through a large Fresnel lens. The lens is mounted in a frame that can be moved in three dimensions ...

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The top lantern room was equipped with a third-order Fresnel lens, transferred from the original ... was built close to the lake. Two large, coal-fired boilers were used to supply the steam.

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Lego has introduced a new element to concentrate light like a real Fresnel lens. The components responsible for this ... and one of the most engaging builds in the Lego Ideas range. It’s a large set ...

A team with researchers at the University of Tokyo and JSR Corp. fabricated and tested flat lenses called Fresnel zone plates ...