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Lens and reflector

Lens is the detail of transparent homogeneous material bounded by two polished refractive surfaces of rotation.

Reflector — in a broad sense the reflector. Lighting technology reflectors are used to change the directivity of the light source, creating a more directed light beam, for example, in projectors and lamps.

The lens and reflector to focus the Sun and ignite combustible materials, cause burns and burns. In life as such lenses there may be shards of glass, bottles with liquid (the closer to a spherical shape, the better are the properties of lenses), drops, Christmas decorations, etc.

Translated by «Yandex.Translator»

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