Question

Функції складів світлового мікроскопа ​

Answer 1

Ответ:

Благодаря окуляру, который находится в верхней части микроскопа, человеческий глаз наблюдает объект. В состав окуляра входят несколько увеличительных линз, заключенных в оправу. Нижняя линза окуляра отвечает за фокусировку объекта исследования, а верхняя линза обеспечивает процесс наблюдения. Окуляры обладают сравнительно малой степенью увеличения.

Answer 2

Складові корпуса:
1.Основа
2.Предметний столик
3.Штатив
4.Тубус

Складові оптичної системи:
1.Дзеркало
2.Діафрагма
3.Револьверна насадка з об’єктами
4.Окуляр

Answer 3

Functions of the Light Microscope

The light microscope is a widely used tool in scientific research and education. It allows us to observe and study objects that are too small to be seen with the naked eye. The functions of a light microscope include:

1. Magnification: The primary function of a light microscope is to magnify the image of the specimen being observed. Magnification refers to the increase in the apparent size of an object. Light microscopes typically have multiple objective lenses with different magnification levels, allowing users to observe specimens at various levels of detail.

2. Resolution: Resolution refers to the ability of a microscope to distinguish between two closely spaced objects as separate entities. It determines the level of detail that can be observed in the image. Light microscopes have a limited resolution due to the wavelength of visible light. However, advancements in technology have led to the development of techniques such as oil immersion and phase contrast microscopy, which improve the resolution of light microscopes.

3. Illumination: Light microscopes use a light source to illuminate the specimen being observed. The light passes through the specimen and is then collected by the objective lens, which forms the magnified image. The illumination can be adjusted to optimize the contrast and visibility of the specimen.

4. Focus and Depth of Field: Light microscopes allow users to adjust the focus to obtain a clear image of the specimen. The focus is achieved by moving the objective lens closer to or farther away from the specimen. Depth of field refers to the range of distances over which the specimen appears in focus. Light microscopes typically have a limited depth of field, especially at higher magnifications.

5. Sample Preparation: Before observation, specimens need to be prepared for microscopy. This may involve fixing the specimen to preserve its structure, staining to enhance contrast, or sectioning to obtain thin slices for better visualization. Sample preparation techniques vary depending on the type of specimen and the purpose of the observation.

6. Imaging Techniques: Light microscopes can be equipped with various imaging techniques to enhance the visualization of specific features or structures. These techniques include phase contrast microscopy, fluorescence microscopy, differential interference contrast (DIC) microscopy, and confocal microscopy. Each technique provides unique information about the specimen and allows for more detailed analysis.

7. Documentation and Analysis: Light microscopes often have built-in or attachable cameras for capturing images and videos of the observed specimens. These images can be used for documentation, analysis, and further research. Additionally, software tools are available for image analysis, measurement, and manipulation.

Please note that the information provided above is based on general knowledge about light microscopes. For more specific details or technical information, it is recommended to consult scientific literature or specialized sources on microscopy.