The course-adjustment knob moves the stage up and down quickly, and using it with a high-power objective can potentially damage the objective or slide due to a rapid change in focus. It is best to use the fine-adjustment knob when using a high-power lens for precise focusing.
You should first use the lowest power setting of a microscope to find an object and then center it within the viewing area. Then, when you switch to the next higher magnification, your target should still be close to the center and easier to find and focus on.
Movements viewed through the microscope are exaggerated quite a bit. As such, it's best to attempt to line up the object on the slide by looking at the slide directly, rather than through the objective.
Using the coarse adjustment knob on high power can potentially damage the microscope or the slide being observed due to the high magnification and close proximity of the objective lens to the slide. It is better to make coarse adjustments on low power to avoid hitting the objective lens against the slide.
Looking at a microscope from the side when moving an objective helps prevent accidentally crashing the objective lens into the slide, which can damage both the lens and the slide. It also allows you to have a better view of the distance between the objective lens and the slide, ensuring smooth and precise movement without causing any harm.
The lowest power objective lens should be in place when placing a slide on a microscope stage. This allows for easier focusing and initial viewing of the specimen at a lower magnification before switching to higher magnifications.
Scanning objective
Yes, it is recommended to store a microscope with the objective lens in place to prevent dust or debris from entering the lens threads and affecting the performance of the microscope. Additionally, storing the objective in place helps maintain the alignment and calibration of the microscope for accurate observations.
so the objective lens will not touch the slide.
10x
A microscope should be stored with the lowest-power objective lens in place to prevent damage to the higher-power lenses. It is recommended to keep the 4x or 10x objective lens in place for storage as they are less delicate than the higher magnification lenses.
Do not allow the high power objective to tough the lenses
Do not allow the high power objective to tough the lenses
remove the slide,return the low-power objective, use lens paper to clean the stage of microscope and the lenses
lowest power, i think 40x
When working with a microscope you should always take procauctions but one question I am asked a lot is When working with a microscope do you open or close the diaphram when working with the medium- and high-power objective nobs? The answer is you keep it open if you don't you won't be abler to see any thing.
Storing a microscope with the low power objective lens in place helps protect the lens and prevents accidental damage or contamination during storage. The low power lens is less delicate compared to other high-power lenses, making it a safer option for storage to ensure the microscope remains in good condition for future use.
You should always begin using a microscope with a lower power objective to locate and focus on your specimen more easily. Low power objectives provide a wider field of view, making it simpler to find the area of interest. Additionally, starting with lower magnification minimizes the risk of crashing the objective lens into the slide, which can damage both the slide and the microscope. Once the specimen is in focus, you can then switch to a higher power objective for detailed observation.