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TOPIC: Lapped and Un-lapped Micro-Fine Stones at 800x

Re: Lapped and Un-lapped Micro-Fine Stones at 800x 2 years 1 month ago #4785

  • AnthonyYan
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Hi Clay,

Thanks for the updated and uncompressed image. :)
I measured the 20 micron line to be 216 pixels long.

So a micron is about 10.8 pixels in length.

So the wavelengths of visible light (0.38 - 0.74 microns) would be 4 to 8 pixels.

The highest theoretical resolution for an optical microscope is about 1/2 wavelength, or 0.2 microns, which is around 2 pixels. Of course, most microscopes don't have such a high resolution in practice, but some get close.

Pretty neat! :D


P.S. For the .jpg that Clay posted above, the 20 micron bar is about 97 pixels wide. So the pixel measurements are approximately one half the numbers above.
Last Edit: 2 years 1 month ago by AnthonyYan. Reason: Added P.S.
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