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Whats the area of circular field of view in mm^2 of a compound microscope on low and high power?
Whats the area of circular field of view in mm^2 of a compound microscope on low and high power?
low power = 4
high power = 40
The easiest way to do this is to use a reticule or micrometer (or even a transparent ruler) to measure the diameter of the field. On my microscope, the diameter of the field with the 10X ocular and 4X objective is about 4.5 mm; with the 40X objective, diameter is about 0.5 mm. Then use the formula for area of a circle, a = pi x r-squared. Don't forget to convert the diameter you measured to radius!
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