File:BiconvexLens.jpg
BiconvexLens.jpg (484 × 396 pixels, file size: 72 KB, MIME type: image/jpeg)
File history
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Date/Time | Dimensions | User | Comment | |
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current | 14:35, 28 June 2021 | 484 × 396 (72 KB) | Karl432 | contrast slightly improved by the "Auto adjust colors" function of IrfanView |
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