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the same way as under low-power on a microscope: carefully
The primary lens is to close to the specimen
It is called a diaphram.
Stage and Stage Clips The stage is a platform for the slides, which hold the specimen. The stage typically has a stage clip on either side to hold the slide firmly in place. Some microscopes have a mechanical stage, with adjustment knobs that allow for more precise positioning of slides.
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The objective of observing fresh specimen is to find out how the still-live specimen functions. One can observe blood flow and movement.
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the differences of each objectives as you adjust them you'll know the difference if it is blurred or clear and the differences pf each objectives
Actually, it depends on the specimen which you are observing.. Suppose, if you are observing Tissues then you have to switch to 10X objective; but if you are observing mammalian cells or other cellular specimen then you have to switch to 45X objective...But, if you want to observe microbial cells then you have to put a drop a drop of paraffin oil on the smear made on the slide and then observe it into 100X oil immersion objectivelens...
Kohler Illumination is extremely important when observing a specimen under a microscope. Without Kohler Illumination, it would be nearly impossible to achieve a high-quality image of the specimen, and therefore scientists would be unable to study and observe a multitude of living things in a beneficial way.
The scientist examined the specimen under the microscope.
specimen observed
It allows you to center the specimen, and if it is set up correctly, then when you switch objectives it should still be there and only need fine focusing. It also reduces the chance of crushing the specimen and/or breaking the slide or the lens as the LPO is further away from the slide than the HPO.
Coverslip is not placed on a microscope but on the stained specimen on slide . This protects objective lens of microscope from getting stain from a wet mount . It also protects permanent slide .