Table of Contents
- 1 Why is it important to know the diameter of the field of view at a given magnification?
- 2 What happens to the diameter of the field of view as magnification increases?
- 3 Why is it important to allow the microscope to cool before putting it away?
- 4 What is the relationship between magnification and the diameter of the field of view?
- 5 What is the importance of adjusting light intensity when viewing specimens?
Why is it important to know the diameter of the field of view at a given magnification?
By measuring the field diameter of a microscope you can calculate the real size of objects too small to see with the naked eye.
Why is it important to calculate the diameter of the field when first using the microscope quizlet?
It is important to calculate the diameter of the field when first using the microscope because you can use it to determine the the approximate size of an object you are examining at the given magnification.
Why is it important to have an understanding of the concept of depth of field biology?
Knowing the depth of field of the microscope at any given setting is important since it affects how much you have to move the specimen slide up, down, left, or right to image certain areas of the specimen, especially since it determines the required stability of the focusing axis.
What happens to the diameter of the field of view as magnification increases?
If the total magnification increases, the diameter of the field of view decreases. The resolution limit of a compound microscope is about 0.2 microns (0.0002mm) See the Table at the of the Lecture.
What is the importance of knowing the field of view?
Knowing the field of view of your instrument is important because it indicates how much of the the sky will be visible. This means you can compare your view with that of star charts (important for star hopping) and more easily identify what you are seeing.
What are the advantages and disadvantages of using a compound microscope as compared to a stereoscopic microscope?
Compound microscopes have the advantage that they allow you to magnify an object to a much greater extent (up to 1000x) compared to a stereo microscopes. In order to view these objects under the compound microscope, the object must be placed on a glass microscope slide.
Why is it important to allow the microscope to cool before putting it away?
After using your microscope, turn off the illuminator and wait for it to cool down before putting it away. Allowing the bulb to cool will extend its life and avoid the unnecessary cost of expensive replacements. Similarly, if used constantly on full power, the bulb will overheat and blow.
Why is depth of field important microscope?
Extended depth of field is a vital component in the ability to observe nanometer size objects, live and in natural color – something that cannot be done with conventional light microscopes mainly due to their inability to solve the depth of field and resolution issues.
What happens to the diameter of the field of view as you increase the objective lens magnification from 10x to 40x?
The field of view is inversely proportional to the magnification of the objective lens. For example, if the diameter of your field of view is 1.78 millimeters under 10x magnification, a 40x objective will be one-fourth as wide, or about 0.45 millimeters.
What is the relationship between magnification and the diameter of the field of view?
There is an inverse relationship between the total magnification and the diameter of the field of view – i.e., as magnifications increases the diameter of the field decreases in proportion, so the diameter of field of view at different magnification can be calculated mathematically, using the formula.
What is the importance of knowing the area of the field of vision FOV of microscope?
Knowing a compound light microscope’s field of view (FOV) allows you to determine the approximate size of objects too small to measure with a standard ruler. To calculate field of view, you need to know the magnification and field number of the microscope’s lens currently in use.
Why is field of view relevant for microscopic observation?
In a microscope, we ordinarily observe things within a circular space (or field) as defined by the lenses. We refer to this observable area as the field of view (FOV). Understanding the size of the FOV is important because actual sizes of the object can be calculated using the Magnification of the lenses.
What is the importance of adjusting light intensity when viewing specimens?
It is used to formulate the cell theory and study at cellular level. (i dont know if this is right – sorry ) What is the importance of adjusting the light intensity when viewing specimens with a compound microscope? It improves the resolution of viewing specimens.
What is the advantage of using a lens in microscope?
It improves the resolution of viewing specimens. Oculars eyepiece lenses used to view objects (usually 10x magnification) Objectives provides the majority of the magnifying power Condenser lens focuses light from the light source onto the specimen (located immediately below the specimen)
Is higher illumination better for high power magnifications?
No. Higher illumination is better for high power and lower illumination is better for lower power. Which magnifications require the most illumination for best clarity and contrast? higher-power Why is it important to put a cover slip over the drop of water when preparing a wet mount?