7. Focusing knobs: located on both sides of the microscope. The larger, inner coarse adjustment knob moves the stage up and down much faster and farther than the smaller, outer fine adjustment knob. The coarse adjustment knob is used ONLY with the low power (4X, 10X) objectives. via
What does the fine focus do on a microscope?
Focus (fine), Use the fine focus knob to sharpen the focus quality of the image after it has been brought into focus with the coarse focus knob. Illuminator, There is an illuminator built into the base of most microscopes. via
Do the focus knobs move the stage?
-The focus knobs move the stage up and down. The slide should be close to in focus after focusing at the 4X objective. Focusing with the coarse focus knob would result in too large a change in focus. Why should the fine focus knob typically be used with the 10X and 40X objective lenses? via
What moves the slide on the stage?
Stage: The flat platform that supports the slides. Stage clips hold the slides in place. If your microscope has a mechanical stage, the slide is controlled by turning two knobs instead of having to move it manually. One knob moves the slide left and right, the other moves it forward and backward. via
Why should you always move the stage away from the objective while focusing?
THEN REMOVE THE SLIDE FROM THE STAGE. REMOVING THE SLIDE FROM UNDER HIGHER POWER OBJECTIVES MAY CAUSE THE SLIDE SURFACE TO HIT THE OBJECTIVE LENS SINCE THE LENS IN THESE OBJECTIVES WILL BE VERY CLOSE TO THE SLIDE. THIS COULD RESULT IN DAMAGE TO THE LENS. via
What happens to your image if you try to magnify it using 40x or 100x?
5. What happens to your image if you try to magnify it using 40x or 100x? It could blow up your iage if you do not adjust the stage accordingly. via
When should you use the fine focus knob?
Use the Fine Focus Knob to bring the image into focus. When using 10x and 40x objectives, use ONLY the fine focus knob so that you don't scratch a lens or break a slide. via
When would you use a fine adjustment knob?
Fine Adjustment Knob - This knob is inside the coarse adjustment knob and is used to bring the specimen into sharp focus under low power and is used for all focusing when using high power lenses. via
Which is the shortest objective lens?
A scanning objective lens that magnifies 4x is the shortest objective and is useful for getting a general overview of a slide. A low-power objective lens magnifies 10x, but remember that it is coupled with an eyepiece lens, so the total magnification is 10x times the power of the eyepiece lens. via
What happened to the image when you switch objectives?
When you change from low power to high power on a microscope, the high-power objective lens moves directly over the specimen, and the low-power objective lens rotates away from the specimen. The image should remain in focus if the lenses are of high quality. via
Which way do you move the diaphragm to increase light intensity?
Which structure holds the slide in place so it does not move?
Stage clips are used to hold the slides in place in the absence of a mechanical stage. via
How should you move the slide around on the stage of your microscope?
If you have a microscope with a moving stage, then turn the coarse knob so the stage moves downward or away from the objective lens. Move the microscope slide around so that the image is in the center of the field of view and readjust the mirror, illuminator or diaphragm for the clearest image. via
What knobs move the stage side to side and forward and back in order to move your slide where you want it?
While observing through the eyepiece while focusing, move the mechanical stage, and thus the slide containing the specimen using the X knob, which moves the stage right and left, and the Y knob, which moves the stage back and forth. via