objective lens

简明释义

物镜

英英释义

例句

1.In photography, the choice of objective lens 物镜 can dramatically change the composition of your shot.

在摄影中，物镜的选择可以显著改变照片的构图。

2.The quality of the image depends heavily on the type of objective lens 物镜 used in the microscope.

图像的质量在很大程度上取决于显微镜中使用的物镜的类型。

3.Always handle the objective lens 物镜 with care to prevent scratches and damage.

始终小心处理物镜以防止划伤和损坏。

4.When adjusting the focus, make sure to clean the objective lens 物镜 first to avoid any blurriness.

在调整焦距时，请确保先清洁物镜以避免模糊。

5.Different objective lenses 物镜 provide varying levels of magnification for detailed observations.

不同的物镜提供不同级别的放大倍率，以便进行详细观察。

作文

The world of microscopy is a fascinating realm that allows us to explore the intricate details of life at a scale that is invisible to the naked eye. At the heart of every microscope lies a crucial component known as the objective lens, which plays a pivotal role in magnifying the specimen being observed. The objective lens is essentially the first lens that light passes through after it has interacted with the specimen, making it fundamental to the process of imaging. Understanding how the objective lens works is essential for anyone interested in microscopy. It is designed to gather light from the specimen and focus it to create a clear image. Different types of objective lenses exist, each with varying magnification powers and numerical apertures, which determine the lens's ability to resolve fine details. For example, a 10x objective lens magnifies the image ten times larger than its actual size, while a 100x objective lens can reveal even finer structures. Moreover, the quality of the objective lens significantly impacts the overall performance of the microscope. High-quality objective lenses are made using advanced optical glass and coatings that minimize distortion and enhance clarity. This is particularly important when observing biological specimens where clarity is necessary to identify cellular structures accurately. In practical terms, when setting up a microscope, one must carefully select the appropriate objective lens based on the type of specimen and the level of detail required. For instance, if a researcher is examining a tissue sample, they might start with a lower magnification objective lens to get an overview before switching to a higher magnification lens to study specific areas in more detail. Additionally, the objective lens is often paired with an eyepiece lens, which further magnifies the image seen by the observer. The combination of these lenses determines the total magnification power of the microscope. Understanding this relationship is crucial for effectively using a microscope in a laboratory setting. Furthermore, advancements in technology have led to the development of specialized objective lenses such as phase contrast and fluorescence lenses. These innovations allow scientists to visualize specimens in ways that were previously impossible. For example, fluorescence objective lenses enable researchers to observe specific proteins within cells by tagging them with fluorescent markers, providing insights into cellular functions and interactions. In conclusion, the objective lens is an indispensable part of microscopy that greatly enhances our ability to study the microscopic world. Its design, quality, and appropriate selection are vital for obtaining accurate and detailed images of specimens. As technology continues to evolve, the objective lens will undoubtedly remain a key element in advancing our understanding of biology and other scientific fields. By mastering the use of the objective lens, researchers can unlock new discoveries and contribute to the ever-growing body of scientific knowledge.

显微镜的世界是一个迷人的领域，让我们能够以肉眼看不见的尺度探索生命的细微细节。在每个显微镜的核心，存在着一个至关重要的组成部分，称为物镜，它在放大被观察样本方面发挥着关键作用。物镜本质上是光线在与样本相互作用后通过的第一个透镜，因此它对成像过程至关重要。理解物镜的工作原理对于任何对显微镜感兴趣的人来说都是必不可少的。它被设计用来收集来自样本的光并将其聚焦以创建清晰的图像。不同类型的物镜存在，每种都有不同的放大倍数和数值孔径，这决定了透镜分辨细节的能力。例如，10倍的物镜将图像放大到实际大小的十倍，而100倍的物镜则可以揭示更精细的结构。此外，物镜的质量显著影响显微镜的整体性能。高质量的物镜使用先进的光学玻璃和涂层制造，以最小化失真并增强清晰度。这在观察生物样本时尤为重要，因为清晰度对于准确识别细胞结构是必要的。在实际操作中，设置显微镜时，必须根据样本类型和所需细节水平仔细选择合适的物镜。例如，如果研究人员正在检查组织样本，他们可能会先使用较低放大倍数的物镜来获取概览，然后切换到更高放大倍数的透镜以更详细地研究特定区域。此外，物镜通常与目镜透镜配对，后者进一步放大观察者看到的图像。这些透镜的组合决定了显微镜的总放大倍数。理解这种关系对于有效使用实验室中的显微镜至关重要。此外，技术的进步导致了专用物镜的开发，例如相差和荧光透镜。这些创新使科学家能够以前无法实现的方式可视化样本。例如，荧光物镜使研究人员能够通过用荧光标记物标记特定蛋白质来观察细胞内的特定蛋白质，从而提供有关细胞功能和相互作用的深入见解。总之，物镜是显微镜中不可或缺的部分，极大地增强了我们研究微观世界的能力。其设计、质量和适当选择对于获得样本的准确和详细图像至关重要。随着技术的不断发展，物镜无疑将继续作为推动我们对生物学和其他科学领域理解的关键元素。通过掌握物镜的使用，研究人员可以解锁新的发现，为日益增长的科学知识体系做出贡献。