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Optical technology

Optical technology. Types of lenses.  A convex lens is a converging lens which works much like a concave mirror. This kind of lens is thicker in the middle and thinner towards the edges, like the lens in a magnifying glass. Types of lenses.

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Optical technology

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  1. Optical technology

  2. Types of lenses •  A convex lens is a converging lens which works much like a concave mirror. This kind of lens is thicker in the middle and thinner towards the edges, like the lens in a magnifying glass.

  3. Types of lenses • A concave lens is a diverging lens which works similar to the convex mirror. This lens is thicker towards the edges and thin in the middle and are used in helping correction of nearsightedness.

  4. Lens 101 • Every lens has a focal point, where all the light directed at that lens converges or diverges and the distance between the lens and that point is called the focal length.

  5. sources • http://library.thinkquest.org/28160/english/lenses/lenses.html

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