File:Optical-apperture-2inch.jpg
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| Description |
English: Photograph of a 2-inch aperture for beam collimation in optics experiments. |
| Date | |
| Source | Own work |
| Author | Geek3 |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:19, 9 January 2017 | | 2,000 × 1,500 (699 KB) | Geek3 (talk | contribs) | == {{int:filedesc}} == {{Information |Description ={{en|1=Photograph of a 2-inch {{W|aperture}} for beam collimation in optics experiments.}} |Source ={{own}} |Author ={{U|Geek3}} |Date =2016-12 }} == {{int:license-header}... |
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