Superseded
, Under review
Standard
Historical
DIN EN ISO 7944:1998-07
Optics and optical instruments - Reference wavelengths (ISO 7944:1998); German version EN ISO 7944:1998
Preview
Summary
The document specifies two reference wavelength to be used for the characterization of optical materials, optical systems and instruments, as well as ophthalmic lenses. It defines the associated principal refractive indices and principal dispersions, as well as the Abbe numbers with regard to these reference wavelengths and the principal dispersions.
Technical characteristics
| Publisher | Deutsche Institut für Normung e.V. (DIN) |
| Publication Date | 07/01/1998 |
| Page Count | 5 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
No products.
Previous versions
01/04/2025
Active
Most Recent
01/07/1998
Superseded
, Under review
Historical
01/04/1996
Superseded
Historical