“N”-glass as an environmentally friendly alternative to conventional lead and arsenic-containing glass types. Find more information in the tabs below or on our website. Compare glass types with our Interactive Abbe Diagram.
Optical Schott N-Laf21/N-Laf7/N-Laf34/N-Lak14 Double Glue Cemented Achromatic Lenses for Telescope The achromatic lensis glue by two elements together or install two elements in a shell. Compared with single lens, achromatic lens can...
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