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Which type of glass is used in making lenses and prisms?

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Which type of glass is used in making lenses and prisms?
posted May 19, 2016 by Saif Khanam

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1 Answer

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Flint glass-is type of glass is used in making lenses and prisms
An achromatic doublet, which combines crown glass and flint glass. Flint glass is optical glass that has relatively high refractive index and low Abbe number (high dispersion). Flint glasses are arbitrarily defined as having an Abbe number of 50 to 55 or less.

answer May 19, 2016 by Manikandan J
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