YKK

Aspherical lens

　　　　　

The aspherical lens is brought close to an aplanat lens except
spherical aberration, comatic aberration to obstacle
most in the case of exact optics. It is used for laser fusion,
an examination of the fundus, a light measurement.

Use example

solar simulator　/ semiconductor
liquid crystal　/　PDP　/　exposure device for board production

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