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Lens Blanks
Terms
  • blank A piece of glass, quartz or other transparent material formed roughly by molding or cutting into the approximate shape and size of the finished part.
  • optical blank A casting consisting of an optical material molded into the desired geometry for grinding, polishing or, in the case of optical waveguides, drawing to the final optical-mechanical specifications.
  • lens A transparent optical component consisting of one or more pieces of optical glass with surfaces so curved (usually spherical) that they serve to converge or diverge the transmitted rays from an object, thus forming a real or virtual image of that...
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