File:Magnification power of a loupe.png
Magnification_power_of_a_loupe.png (733 × 419 pixels, file size: 58 KB, MIME type: image/png)
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Date/Time | Dimensions | User | Comment | |
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current | 13:10, 24 March 2012 | 733 × 419 (58 KB) | Pieter Kuiper | {{Information |Description ={{en|1=The magnification power of a loupe is given by <math>M=\frac{25 \mathrm cm}{f}</math>, where 25 centimeter is the near limit of the normal eye.}} |Source ={{own}}, from [http://www.gutenberg.org/files/37589... |
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