Measurements under the microscope
As part of practical 1 you need to draw a couple of Zebrafish embryos and add a scale bar indicating the size of the embryo. In order to do this you will have to be able to measure the embryos under the microscope. You might find this a little tricky so I have written this step-by-step guide to help you out.... To make any measurements with your microscope you will need to calibrate your eyepiece micrometer using a stage micrometer . So, first of all, what are these? Eyepiece micrometer : This is a fine scale that fits inside the eyepiece lens. Its units are arbitrary. Stage micrometer : This is a scale fitted on to a coverslip. The size of the divisions are known . Your aim is to find out how big one division is on the eyepiece micrometer at the magnification you are usin...