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Lens Blanks

A lens blank is a piece of optical material in a raw, unfinished state, typically in the form of a disk or block, from which lenses are eventually fabricated. Lens blanks are made from various materials such as glass, plastic, or specialized optical materials like polycarbonate or acrylic. Learn more about lens blanks →

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Glossary

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 lens is a transparent optical device that focuses or diverges light, allowing it to pass through and form an image. Lenses are commonly used in optical systems, such as cameras, telescopes, microscopes, eyeglasses, and other vision-correcting...
lens blank A lens blank is a piece of optical material in a raw, unfinished state, typically in the form of a disk or block, from which lenses are eventually fabricated. Lens blanks are made from various materials such as glass, plastic, or specialized optical...

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