it has to do with the resolution of the image of the slide obtained...the larger the objective lens value is the greater the resolution it will provide, greater the resolution higher the details.
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The image either gets bigger or smaller, depending what objective you switched to.
You have to change the first lens that the light passes through. Microscopes usually have 3 to 6 different lenses of different magnifications that you can rotate around on one built in wheel.
40 because you have to multiply the ocular lens times the objective lens and the ocular lens is almost always 10x i think. Hopefully it is in your case. I know our microscopes are like that. Hope this helps! :)
The objective lens magnifies the specimen, producing a real image that is then magnified by the ocular lens resulting in the final image; The total magnification can be calculated by multiplying the objective lens value by the ocular lens value
To set up a microscope follow these steps:Hold the microscope by its base.Place it near a light source. (Not directly in the sun.)Adjust the mirror until light is reflected up the microscpe. (Check this by looking done the microscope.)Turn the objective lens to its lowest magnification.
depends which microscope ur using..... the strongest (not NASA's) is about 1,000x The definition of magnification power is given by the relationship: Magnification = 250 mm / f Thus, a 25-mm focal-length positive lens would be a 10x magnifier.
The main disadvantage of the Leeuwenhoek microscope was that it only had one lens. On the other hand, it had much better magnification and clarity than the compound microscopes that were being used at that time. The inventor was Antony Van Leeuwenhoek.