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What objective should you start and end with?
4. Objective lenses Always start and end your microscope session by placing the lowest power objective lens in position. This will make it easier to prevent crashing the objective lens into the slide.
Why do we need to start with the lowest objective in using a microscope quizlet?
you should always begin focusing using the low (scanning objective) because it enables you to scan large areas of a specimen. You don’t want to start with the high-power objective because you will only be able to scan small areas of a specimen.
Which objective should you always begin with when studying a slide?
3. When focusing on a slide, ALWAYS start with either the 4X or 10X objective. Once you have the object in focus, then switch to the next higher power objective.
When using a specimen should you always start with the objective?
Which is microscope objective lens should I start using?
Which Microscope Objective Should I Start With? Start Low! Since the 4x objective lens has the least magnification, but a larger field of view, it allows for more of the specimen to be seen, as well as locating the part of the sample you wish to view. This in turn makes it easier to focus on the sample.
What are the rules for using a microscope?
Rules for Microscope Use: Carry the microscope properly. Always begin focusing with the 4X objective. Use the coarse focus only with the 4X objective in place.
How much oil to use in a microscope?
Always begin focusing with the 4X objective. Use the coarse focus only with the 4X objective in place. Use immersion oil only with the 100X objective (oil immersion lens) in place. Use only ONE drop of oil.
What’s the best way to clean a microscope?
ALWAYS clean the microscope when you are done. Use a Kimwipe or lens paper and the alcohol in the labeled jars. Always place the 4X objective over the stage and be sure the stage is at its lowest position before putting the microscope away. Always turn off the light before putting the microscope away.