Microscope Operation and Maintenance

This video tutorial provides a comprehensive guide on using a stereoscopic binocular microscope, also known as a dissecting scope. It covers the setup process, including cleaning the lenses and adjusting lighting and magnification. The tutorial explains how to focus the microscope for clear viewing and provides steps for examining a specimen. It concludes with instructions on turning off and storing the microscope properly.

What is another name for the stereoscopic binocular microscope?

• Dissecting scope

• Electron microscope

• Compound microscope

• Phase contrast microscope

What should you use to clean the lenses of the microscope?

• Tissue paper

• Lens paper

• Cotton cloth

• Microfiber cloth

Which knob adjusts the intensity of the transmitted light in a dissecting scope?

• Magnification knob

• Right knob

• Focus knob

• Left knob

What is the total magnification when using the lowest objective lens of 7x with a 10x ocular lens?

• 70x

• 10x

• 17x

• 7x

How can you adjust the microscope to match the distance between your pupils?

• Change the objective lens

• Rotate the focus knob

• Pull or push the ocular lenses

• Adjust the light intensity

What should you do if the specimen is not in sharp focus after adjusting the magnification?

• Change the specimen

• Turn off the microscope

• Increase the magnification

• Adjust the focus knob and lighting

What is the first step when focusing on an actual specimen?

• Change the specimen

• Start with the lowest magnification

• Increase the magnification

• Adjust the lighting

What should you note when increasing magnification on a specimen?

• Color changes

• Specimen size

• Field of view and depth of field changes

• Light intensity

What is the final step after using the microscope?

• Increase magnification

• Adjust lighting

• Turn off and unplug the microscope

• Clean the lenses

Why is it important to follow proper practices when using a dissecting scope?

• To avoid using the manual

• To ensure accurate results and safety

• To impress the instructor

• To save time