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 | | Spectacle Lens Compendium
Discover virtually all information on the principles of optics, surface geometries and progressive lenses, lens materials, lens production and coatings, and filter and multifocal lenses. |
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 | | Carl Zeiss Archives
The Carl Zeiss Archives contain original documents, files, photos, patents, registered designs, product literature, technical documentation and instruments from the more than150-year history of Carl Zeiss. |
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 | | Microscopy Compendium
Microscopy is the art and science of making fine detail visible. This definition encompasses four key issues: magnification, resolution, contrast and measurement. |
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 | | Hayden Planetarium
Since February 19, 2000, the US metropolis New York has another tourist and cultural attraction. Experience more about the Hayden Planetaruim. |
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