File:Absolute surface form of a lens measured by Difrotec's D7.png
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Summary
| Description |
English: Absolute surface form obtained by phase shifting interferometry using an industrial point diffraction interferometer manufactured by Difrotec. |
| Date | |
| Source | Own work |
| Author | Diwaker 101 |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:24, 28 April 2017 | | 2,598 × 1,350 (847 KB) | wikimediacommons>Diwaker 101 | Cross-wiki upload from en.wikipedia.org |
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