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132017-12
What is the role of the Finel lens Finel lens has two: one is focused on the role of pyroelectric infrared signal, is refraction on PIR (albedo) second is divided into many bright and dark detection area, moving object detection into the sea can...
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052017-12
What is the role of aspherical optical parts Aspheric optical components is a very important optical components, commonly used parabolic mirror, hyperbolic mirror, ellipsoid mirror and so on. Aspherical optical components can obtain spherical optical comp...
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052017-12
What is the Aspheric lens principle Aspheric lenses, the radius of curvature with the central axis and change, to improve the optical quality, reduce optical components, reduce design costs. Aspherical lenses have unique advantages over spherical...
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052017-12
What are the advantages of Aspheric lens The main advantage of aspheric lenses is that they are used to replace spherical lenses. The most obvious advantage is that the spherical aberration caused by spherical lenses in the collimation and focusing sy...