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What is the objective lens with the greatest magnification in a microscope?
40x
Which objective lens should you begin with?
Start with the lowest magnification objective lens, typically 4x or 5x, as it provides a wider field of view and makes it easier to locate the specimen.
Magnification of a light microscope with an objective lens of 40x?
The total magnification of a light microscope with a 40x objective lens is calculated by multiplying the magnification of the objective lens by the magnification of the eyepiece lens. Assuming a standard eyepiece magnification of 10x, the total magnification would be 400x (40x objective lens * 10x eyepiece lens = 400x total magnification).
What objective lens shows largest field of view?
The lowest magnification objective lens, such as the 4x lens, typically provides the largest field of view because it allows more of the specimen to be visible at once. This is useful for observing larger structures or getting an overall view of a specimen before zooming in with higher magnification lenses.
Which lens of a compound microscope is closest to the objective being examined?
objective lens
Why does the field of view decrease as the power of objective lens increase?
There is a relationship between the power of an objective lens and its field of view. As the power of the objective lens increases, the size of its field of view decreases
What is the objective lens with the greatest magnification in a microscope?
40x
If the field of view of the low power 10x objective lens is 4 mm what would the field of view be for the oil immersion 100x lens?
The field of view of the oil immersion 100x lens would be 0.4 mm. This is because the field of view decreases as the magnification increases.
What objective lens is the longest?
The lens with the greatest (positive) curvature. The lens with the highest diopter.
How would you estimate the size of object viewed under high power objective lens 40 times if you were given the size of the field diameter when using low power objective lens 4 times?
You can estimate the size of the object by comparing the field diameters observed under the low power objective lens (4x) and high power objective lens (40x). Calculate the ratio of the field diameters (40x/4x = 10), and use this ratio to estimate the size of the object viewed under the high power objective lens. Simply multiply the size of the object viewed under the low power objective lens by the ratio (field diameter at 4x) to get an estimation.
If a microscope had a power of magnification of 200x what would the power of the objective lens be if the eyepiece lens is 10x?
The total magnification of a microscope is calculated by multiplying the power of the objective lens by the power of the eyepiece lens. Given a total magnification of 200x and an eyepiece lens power of 10x, the power of the objective lens would be 200x/10x = 20x.
Which objective of a compound microscope would show the largest field of view?
You use the 3 objective lenses of a compound microscope to switch powers. There's LOW, MEDIUM, and HIGH power. With LOW power, you can magnify what you're looking at. With HIGH power, you can see things that you can't see with a naked eye.
What objective lens shows greatest depth?
The scanning electron microscope (SEM) has the greatest depth of field compared to other objective lenses in optical microscopes. This is because the SEM uses a focused beam of electrons to create an image, allowing for a larger range of depths to be in focus simultaneously.
What is ocular lens and objective lens?
The ocular is the upper lens and objective is the lower lens
How do you calculate field diameter?
Field diameter is calculated by measuring the distance across the field of view of a microscope, then dividing that measurement by the magnification of the objective lens being used. This gives you the field diameter in micrometers.
Which objective lens should you begin with?
Start with the lowest magnification objective lens, typically 4x or 5x, as it provides a wider field of view and makes it easier to locate the specimen.
What is a objective lens?
low power objective lens
