Table of Contents
What does the condenser knob do?
Condenser Focusing Knob – This control is used to precisely adjust the vertical height of the condenser. Condenser Lens – This lens system is located immediately under the stage and focuses the light on the specimen.
What is the function of the condenser in a compound light microscope?
Condenser. is used to collect and focus the light from the illuminator on to the specimen. It is located under the stage often in conjunction with an iris diaphragm.
What are the two adjustments of a condenser?
Lab Test 1 part 1
| Question | Answer |
|---|---|
| What two adjustments can be made to the condenser? what effect do these adjustments have on the image? | Answer: the condenser high and diaphragm can be adjusted. illumination of the specimen is increased when the condenser is raised and the diaphragm is opened. |
What is the function of the condenser in the compound light microscope quizlet?
In a compound light microscope, what is the function of the condenser? To concentrate light on the specimen. Light diverges through the air as it exits the light source. The condenser gathers this divergent light and concentrates it on the specimen.
What are the functions of condenser and diaphragm?
Many modern course microscopes are equipped with a condenser and an associated condenser diaphragm. The purpose of the condenser is to concentrate the light onto the specimen, its diaphragm regulates resolution, contrast and depth of field.
What is the function of rack and pinion substage in microscope?
Condenser height is controlled by a rack and pinion gear system that allows the condenser focus to be adjusted for proper illumination of the specimen. Correct positioning of the condenser with relation to the cone of illumination and focus is critical to quantitative microscopy and optimum photomicrography.
What is the purpose of the pinion on a microscope?
The most common use is for the coarse focus mechanism of a microscope. It has also been used to focus the substage, and occasionally is found with a circular rack to rotate a circular stage, and sometimes for other uses. In use, the pinion is turned by a knob attached to its axle.
What is the purpose of a rack and pinion?
The Rack and Pinion is an adjustment mechanism that allows the user to move one part, close to another part, in a controlled fashion. The most common use is for the coarse focus mechanism of a microscope. It has also been used to focus the substage, and occasionally is found with a circular rack to rotate a circular stage,
Where are the control knobs located in a microscope?
Condenser Lens – This lens system is located immediately under the stage and focuses the light on the specimen. Control knobs located just behind and underneath the condenser control the up and down movement of the condenser. Field Diaphragm Control – The base of the microscope contains the field diaphragm.
How does the condensor rack work in a microscope?
Condensor Rack/Pinion Knob raises or lowers the condenser to control the distance at which the light reaches the slide Condensor focuses light from the substage light into a concentrated area on the slide Fine Adjustment Knob used to focus specimen into viewing clearly at precise increments