Table of Contents
- 1 What part of the microscope moves the body tube and objective lenses up and down?
- 2 What part of the microscope moves the body tube to focus the image?
- 3 What part of the microscope where the objectives are attached?
- 4 What happens to the image when you move the microscope slide away from you?
- 5 What knob is used to sharpen the image under the high and low magnification?
- 6 What parts are attached to the body tube?
- 7 How do the parts of a microscope work together?
- 8 What is the function of the arm of a microscope?
What part of the microscope moves the body tube and objective lenses up and down?
Microscope
| A | B |
|---|---|
| Coarse adjustment knob | Moves the body tube up and down for focusing |
| Nosepiece | Holds the objective lenses and can be rotated to change magnification. |
| Objective lenses | A low power objective lens that usually provides 10x magnification, and a high-power lens which usually provides 40x magnification |
What moves the microscope stage up and down?
COARSE ADJUSTMENT KNOB — A rapid control which allows for quick focusing by moving the objective lens or stage up and down. It is used for initial focusing.
What part of the microscope moves the body tube to focus the image?
Which part moves the body tube and objectives up and down?
| Front | Back |
|---|---|
| Coarse adjustment | Moves the body tube up and down in large increments to allow gross positioning and focusing of the objective lens. |
| Fine adjustment | Moves the body tube slightly to bring the image into sharp focus. |
| Base | Supports the microscope |
How does the body tube work on a microscope?
The microscope body tube separates the objective and the eyepiece and assures continuous alignment of the optics. It is a standardized length, anthropometrically related to the distance between the height of a bench or tabletop (on which the microscope stands) and the position of the seated observer’s…
What part of the microscope where the objectives are attached?
Nosepiece
Nosepiece: The upper part of a compound microscope that holds the objective lens. Also called a revolving nosepiece or turret.
What do you call the bright circle of light when viewing a specimen?
If the lens is in the correct place, you should see a bright circle of light when you look through the eyepiece. This circle of light is your field of view. While looking through the eyepiece, carefully turn the coarse adjustment knob to raise the stage until the specimen comes into view.
What happens to the image when you move the microscope slide away from you?
What happens to the image when you move the microscope slide away from you? When you move a slide away from you, the object appears to move towards you.
What parts of the microscope can you adjust?
The eyepiece With binocular microscopes, you almost always can adjust the width of the eyepieces to ensure they fit the spacing of your eyes. The eyepiece contains the eyepiece lens, one of the two lenses doing the actual magnifying in a compound microscope.
What knob is used to sharpen the image under the high and low magnification?
Coarse adjustment knob
Parts of the Microscope Coarse adjustment knob- Focuses the image under low power (usually the bigger knob) Fine adjustment knob-Sharpens the image under all powers (usually the smaller knob) Arm- supports the body tube and is used to carry the microscope.
What part of the microscope holds the specimen?
Stage and Stage Clips The stage is a platform for the slides, which hold the specimen. The stage typically has a stage clip on either side to hold the slide firmly in place. Some microscopes have a mechanical stage, with adjustment knobs that allow for more precise positioning of slides.
What parts are attached to the body tube?
Body tube (Head): The body tube connects the eyepiece to the objective lenses. Arm: The arm connects the body tube to the base of the microscope. Coarse adjustment: Brings the specimen into general focus.
What is the advantage of using a wet mount?
Wet-mount Slides A wet-mount slide is when the sample is placed on the slide with a drop of water and covered with a coverslip, which holds it in place through surface tension. Advantages – This type of slide preparation allows you to view microscopic living things without them drying out.
How do the parts of a microscope work together?
All of the parts of a microscope work together – The light from the illuminator passes through the aperture, through the slide, and through the objective lens, where the image of the specimen is magnified. The then magnified image continues up through the body tube of the microscope to the eyepiece,…
What is the upper part of the microscope called?
Body tube The upper part of the arm of the microscope comprises a hollow and tubular structure known as the body tube. The body tube can be shifted down and up using the adjustment knobs.
What is the function of the arm of a microscope?
Arm: The arm connects the body tube to the base of the microscope. Coarse adjustment: Brings the specimen into general focus. Fine adjustment: Fine tunes the focus and increases the detail of the specimen.
What happens if you move the knob on a microscope?
If you move it, you will have it in the wrong position. If your scope has the knob, find out where it is and avoid it. This is directly under the hole in the stage where light passes through to the slide. It is controlled by a level which opens and closes an iris to let more or less light through the slide.