Flint glass
From Wikipedia, the free encyclopedia.

Flint glass is a glass that contains lead.

Flint glasses have an index of refraction between 1.57-1.75. Lenses of flint glasses are often used with crown glass lenses in multi-component lenses because of their complementary properties.

See also Chromatic aberration.

The original article can be found at: http://en.wikipedia.org/wiki/Flint_glass.
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