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Explain why the body tube of the microscope should not be lowered while you are looking through the ocular lens. The body tube of the microscope should not be lowered while looking through the ocular lens because you do not want to lower the body tube too much and have it crack the slide.
Apr 30, 2021 · 1. Plug in and turn on the in-base illuminator. 2. Raise the nosepiece using the coarse adjustment knob. This provides greater access to the stage when the slide is in position. 3. Rotate the nosepiece so that the 10X objective is in operating position. You should feel a definite position stop for the objective.
Sep 14, 2021 · 2. Pick up microscope by carrying arm, position it so it is accessible to your seat, with open side of the stage facing you. 3. Rotate the objectives so that the lowest power objective (smallest in size) clicks into place. 4. Look at the slide with your naked eye and find the location of the specimen. 5.
Cover slips should ONLY be put in the broken glass box. the stage is wiped clean. the scope is set with the lowest power (scanning) objective in place. the stage is lowered (or objectives raised) as much as possible. In other words, there should be the maximum amount of space between the stage and the objectives.
This configuration creates a dilemma for the user. If the microscope is raised to a sufficient height to prevent neck flexion, then the user is forced to bend the wrists into an unnatural position. If the microscope is lowered to bring the stage to a more neutral position, with the forearm parallel to the floor, then the neck is forced to bend.
The coarse adjustment knob on most microscopes is along the lower middle part of the arm of the microscope as shown in the image below. The coarse adjustment knob is the bigger of the two knobs and is located closest to the arm of the microscope. The fine adjustment knob is the smaller of the smaller of the two knobs and is located further away ...
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Jul 12, 2023 · Care should be taken not to bump the microscope on the microscope cabinet, chairs, tables, or other obstacles. Gently place your microscope on your laboratory bench and remove its protective plastic cover (if present). Do not push or slide the microscope across the table. This causes vibrations that can loosen screws or misalign microscope parts.
