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last updated: February 16, 2020
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The resolution of any microscope is related to the numerical aperture of the lens and the wavelength of light used to form the image, and can be calculated using Abbe’s law. This, however, is the ideal situation – the best case scenario. In real life, resolution must be defined in terms of contrast, and there…
In Part 1 of these articles, you’ll have learnt about common microscope light sources and how to replace and align these correctly. In this article, we will discuss the importance of Köhler illumination and how to set up the microscope to achieve optimal imaging results. What is Köhler illumination? Before discussing this technique, let us…
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The only constant with microscopy imaging is variability in both color and image quality. You only need to look at images in journal articles, posters, around your laboratory, or compare your images with a colleague’s—the evidence is staggering. Interestingly, variability doesn’t generally come from the digital camera, rather it comes from our use of imaging…
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