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The magnification of a microscope can be calculated by multiplying the eyepiece lens magnification by the objective lens magnification.

In more detail, a microscope typically has two lenses: the eyepiece lens (the one you look through) and the objective lens (the one closest to the specimen). Each of these lenses has a specific magnification power. For example, the eyepiece lens might have a magnification of 10x, and the objective lens might have a magnification of 40x.

To calculate the total magnification of the microscope, you simply multiply the magnification of the eyepiece lens by the magnification of the objective lens. In this example, the total magnification would be 10x (eyepiece) * 40x (objective) = 400x. This means that the image you see through the microscope is 400 times larger than the actual size of the specimen.

Remember, the magnification of a microscope doesn't tell you everything. It's also important to consider the resolution of the microscope, which is the ability to distinguish between two points that are very close together. A microscope might have a high magnification, but if its resolution is poor, the image will be blurry and details will be lost.

In summary, to calculate the magnification of a microscope, you need to know the magnification of both the eyepiece and objective lenses, and then multiply these together. This will give you the total magnification, which tells you how much larger the image is compared to the actual size of the specimen.

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