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current | 22:11, 4 March 2009 | 300 × 250 (28 KB) | Inductiveload | {{Information |Description={{en|1=A diagram of the diffraction of a circular aperture with a lens. The angle θ is the same as the angle without the lens (but the screens are a diffferent distance apart).}} |Source=Own work by uploader |Author=[[User |
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