Microscopes

Three

There's LOW, MEDIUM, and HIGH power.

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a compound microscope has only one lense

Sometimes, if the stage is set high enough, the objective lens can hit or scratch the slide when it's changed, because each objective lens is a different length. From the back of the microscope, you cannot see if the lens is going to hit the slide or not, and run the risk of disturbing your sample. This problem can be prevented by looking from the side and stopping if it looks like the lens is going to hit the slide.

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A brightfield microscope is typically used to observe stained slides. This type of light microscope utilizes transmitted light to illuminate the specimen, allowing for clear visualization of the stained cells and structures. The contrast provided by the staining enhances the details, making it easier to differentiate various components of the sample.

Laparoscopic surgery offers several advantages, including reduced recovery time, minimized pain, smaller incisions, and lower risk of infection compared to open surgery. The procedure often utilizes a camera and specialized instruments to navigate and operate within the abdomen, enhancing precision and visualization. While a microscope is not typically required for laparoscopic procedures, high-definition cameras and monitors are used to magnify the surgical field, allowing surgeons to perform intricate tasks with greater accuracy.

Eyepiece lenses are commonly referred to as "ocular lenses" or simply "oculars." They are the lenses through which the observer looks in optical devices like microscopes and telescopes, providing magnification and focusing the image for viewing. Different types of eyepieces can vary in design, magnification power, and field of view.

The scanning power objective relates to the objective lens. Most microscopes provide two or more objective lenses to give a choice of magnification power. Some also include an oil immersion lens for even greater magnification.

low power objectives....

To improve the resolution of a microscope, you can use a lens with a higher numerical aperture, reduce the wavelength of light used for imaging (such as using blue light instead of red light), and ensure that the microscope is properly focused and aligned. Additionally, using immersion oil between the lens and the specimen can also enhance resolution.

Compound microscopes focus light through a series of lenses, including the objective lens and the eyepiece lens, to produce a magnified image. The objective lens collects and focuses light from the specimen, while the eyepiece lens further magnifies the image for viewing.

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The objectives on what I have observed is.... it able us to see the tested specimen that is in the mouthpieceof the microscope and contains mirror inside ...

The draw tube and the body tube connect the eyepiece to the revolving nose-piece.

It is not good to tilt the microscope because if it is at the edge then say bye bye to your microscope. Because it will fall and you will have to pay ALOT of MONEY for it. Another reason is because it could fall on the table and crack the eye piece or any other glass parts of the microscope.

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The Fine Adjustment

base of the microscope and the arm / stage or stage clips

To perform a permanent adjustment to a dumpy level, you need to first set up the level on stable ground. Then, adjust the bubble to ensure it is accurately leveled. Finally, using the leveling screws, make small adjustments to bring the crosshairs into alignment with a known benchmark or datum point.

The stage manipulator knob is used to move the stage of a microscope horizontally and vertically, allowing for precise positioning of the specimen being observed. It helps in focusing the specimen and obtaining a clear image at different magnifications.

stage and stage clips

The draw tube and the body tube connect the eyepiece to the revolving nose-piece.