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 significantly alter the composition of your shot.

在摄影中，选择的objective lens（物镜）可以显著改变你的拍摄构图。

2.Different objective lenses（物镜） provide varying levels of magnification for detailed observations.

不同的objective lenses（物镜）提供不同级别的放大，以便进行详细观察。

3.To achieve a clearer image, it's essential to use a high-quality objective lens（物镜）.

为了获得更清晰的图像，使用高质量的objective lens（物镜）是必不可少的。

4.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objective lens（物镜）类型。

5.When adjusting the focus, make sure to clean the objective lens（物镜） first.

在调整焦距时，请确保先清洁objective lens（物镜）。

作文

In the world of microscopy, the importance of the objective lens cannot be overstated. The objective lens is a crucial component of a microscope that plays a significant role in magnifying the specimen being observed. It is typically located close to the specimen and works in conjunction with the eyepiece to provide a clear and detailed view of the sample. Without a high-quality objective lens, the details of the specimen could be lost, rendering the observation ineffective.The objective lens comes in various types and magnifications, each designed for specific applications. For instance, in biological studies, a low-power objective lens may be used to observe larger specimens like insects or plant leaves, while high-power objective lenses are essential for viewing smaller structures such as cells or bacteria. Each type of objective lens allows scientists and researchers to explore different aspects of their samples, making it possible to gain insights into the microscopic world.One of the key features of an objective lens is its numerical aperture (NA), which measures the lens's ability to gather light and resolve fine detail at a fixed object distance. A higher NA indicates better resolution and the ability to distinguish between two closely spaced points. This is particularly important in fields such as histology and pathology, where precise identification of cellular structures can lead to accurate diagnoses.Moreover, the design of the objective lens has evolved significantly over the years. Early microscopes used simple glass lenses, but modern objective lenses are often made with multiple elements to reduce optical aberrations and improve image quality. These advancements have allowed for greater clarity and contrast in the images produced, enabling researchers to make more accurate observations and conclusions.In addition to their scientific applications, objective lenses are also found in various other optical instruments, including cameras and telescopes. In photography, the objective lens determines the sharpness and quality of the images captured. Similarly, in astronomy, the objective lens of a telescope is vital for gathering light from distant celestial objects, allowing astronomers to study the universe in greater detail.Understanding the function and significance of the objective lens is essential for anyone involved in the sciences or photography. Mastery of this concept not only enhances one’s ability to conduct research but also enriches the appreciation of the intricate details present in the world around us. As technology continues to advance, the objective lens will undoubtedly play a pivotal role in the future of scientific discovery and innovation.In conclusion, the objective lens serves as a fundamental element in the field of microscopy and beyond. Its ability to magnify and resolve fine details makes it indispensable for researchers and professionals alike. Whether in a laboratory setting or through the lens of a camera, the objective lens enables us to explore and understand the complexities of both the microscopic and macroscopic worlds. The ongoing development of objective lenses promises even greater discoveries, reinforcing their importance in scientific exploration and technological advancement.

在显微镜的世界中，物镜的重要性不容小觑。物镜是显微镜的一个关键组件，在放大被观察样本方面发挥着重要作用。它通常位于靠近样本的位置，并与目镜一起工作，以提供清晰且详细的样本视图。如果没有高质量的物镜，样本的细节可能会丢失，从而使观察无效。物镜有多种类型和放大倍数，每种类型都旨在用于特定的应用。例如，在生物研究中，可以使用低倍物镜来观察较大的样本，如昆虫或植物叶子，而高倍物镜则对观察较小的结构如细胞或细菌至关重要。每种类型的物镜使科学家和研究人员能够探索样本的不同方面，从而使他们能够深入了解微观世界。物镜的一个关键特征是其数值孔径（NA），它测量镜头在固定物体距离下收集光线和分辨细节的能力。更高的NA表示更好的分辨率和区分两个紧密相邻点的能力。这在组织学和病理学等领域尤为重要，因为精确识别细胞结构可以导致准确的诊断。此外，物镜的设计近年来发生了显著变化。早期的显微镜使用简单的玻璃镜头，但现代的物镜通常由多个元件组成，以减少光学像差并改善图像质量。这些进步使得图像的清晰度和对比度得到了提升，使研究人员能够做出更准确的观察和结论。除了科学应用外，物镜还广泛应用于其他各种光学仪器，包括相机和望远镜。在摄影中，物镜决定了捕获图像的清晰度和质量。类似地，在天文学中，望远镜的物镜对于收集来自遥远天体的光线至关重要，使天文学家能够更详细地研究宇宙。理解物镜的功能和重要性对于任何参与科学或摄影的人来说都是必不可少的。掌握这一概念不仅增强了进行研究的能力，还丰富了对我们周围世界中复杂细节的欣赏。随着技术的不断进步，物镜无疑将在未来的科学发现和创新中发挥关键作用。总之，物镜作为显微镜及其他领域的基本元素，具有放大和分辨细节的能力，使其对研究人员和专业人士来说不可或缺。无论是在实验室环境中，还是通过相机镜头，物镜使我们能够探索和理解微观和宏观世界的复杂性。物镜的持续发展承诺着更伟大的发现，进一步强化了其在科学探索和技术进步中的重要性。