1. When setting up a microscope in Köhler illumination, when the condenser lens is correctly focused what should the edge of the field diaphragm ring look like? 2. What happens to a microscope image if the condenser lens is a long way out of focus? 3. What happens to a microscope image if the aperture of the condenser diaphragm is closed so that it transmits less light? 1. When setting up a microscope in Köhler illumination, when the condenser lens is correctly focused what should the edge of the field diaphragm ring look like? 2. What happens to a microscope image if the condenser lens is a long way out of focus? 3. What happens to a microscope image if the aperture of the condenser diaphragm is closed so that it transmits less light?
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