pentaprism

简明释义

英[ˈpentəprɪzəm]美[ˈpentəˌprɪzəm]

n. 五棱镜

英英释义

单词用法

同义词

反义词

例句

1.The camera's optical glass pentaprism viewfinder AIDS accurate shot composition, offering an extremely bright view with minimal distortion and a generous 98% field coverage.

相机的光学玻璃五棱镜取景拍摄的组成助您取得准确，提供了以最小的失真和慷慨的98%的外地覆盖面非常光明的看法。

2.The camera's optical glass pentaprism viewfinder AIDS accurate shot composition, offering an extremely bright view with minimal distortion and a generous 98% field coverage.

相机的光学玻璃五棱镜取景拍摄的组成助您取得准确，提供了以最小的失真和慷慨的98%的外地覆盖面非常光明的看法。

3.Instead of the solid block of glass of the prism in pentaprism system, here 3 simple mirrors are used to perform the same task.

五面镜不是用一整个玻璃棱镜，而是用3块镜子来达到相同的目的。

4.The GF1 does away with the pentaprism found on other standard interchangeable lens cameras.

该GF1系列没有离开的五棱镜上找到其他标准的可互换镜头相机。

5.However, the ground state we obtained is a distorted structure of a bicapped pentaprism.

然而，我们获得的基态结构是一种扭曲的带两个帽子原子的五棱柱。

6.The camera uses a pentaprism 五棱镜 to reflect light and provide a clear view through the viewfinder.

这款相机使用一个pentaprism 五棱镜 来反射光线，从而提供清晰的取景器视图。

7.In optical instruments, a pentaprism 五棱镜 can be used to invert images for correct orientation.

在光学仪器中，pentaprism 五棱镜 可以用来翻转图像以确保正确的方向。

8.Photographers appreciate the accuracy of exposure provided by a pentaprism 五棱镜 in DSLRs.

摄影师欣赏单反相机中由pentaprism 五棱镜 提供的曝光准确性。

9.A pentaprism 五棱镜 is essential in many high-end binoculars for enhancing image quality.

在许多高端双筒望远镜中，pentaprism 五棱镜 对于提高图像质量至关重要。

10.The design of a pentaprism 五棱镜 allows for a compact optical path in cameras.

pentaprism 五棱镜 的设计使得相机中的光学路径更加紧凑。

作文

In the world of optics, various devices and components play crucial roles in the manipulation and transmission of light. One such device is the pentaprism, which is an essential component in many optical instruments, particularly in cameras and telescopes. A pentaprism is a five-sided prism that is used to reflect light at a 90-degree angle while also inverting the image. This unique feature makes it invaluable for photographers and astronomers alike. The design of a pentaprism allows it to create a right-angle reflection, which is particularly useful in viewfinders of single-lens reflex (SLR) cameras. When a photographer looks through the viewfinder, they see the scene exactly as it will be captured by the camera. This is because the pentaprism inverts the image produced by the lens, allowing for accurate composition and framing. Without the pentaprism, photographers would struggle to align their shots correctly, leading to numerous misaligned images. Moreover, the pentaprism is not only limited to photography; it also plays a significant role in astronomical telescopes. Telescopes often require precise image orientation to aid in celestial observations. The pentaprism helps achieve this by ensuring that the image is oriented correctly for the observer. This is especially important when observing distant stars and galaxies, where even slight misalignments can lead to confusion and frustration. The construction of a pentaprism typically involves high-quality glass that minimizes distortion and maximizes light transmission. The angles of the prism are carefully calculated to ensure that the light reflects off the surfaces at the correct angles, maintaining the integrity of the image. This precision engineering is what sets the pentaprism apart from other optical components, making it a preferred choice for professionals and enthusiasts alike. In addition to its practical applications, the pentaprism serves as a fascinating example of how geometry and physics intersect in the field of optics. Understanding the principles behind the pentaprism can deepen one’s appreciation for the technology that surrounds us. For students of optics and photography, mastering the concept of the pentaprism is essential, as it lays the groundwork for more advanced studies in optical systems and design. In conclusion, the pentaprism is a remarkable optical device that has transformed the way we capture and observe the world around us. Its ability to reflect light accurately while inverting images makes it a vital component in both photography and astronomy. As technology continues to advance, the pentaprism will undoubtedly remain an integral part of the optical landscape, inspiring future innovations and discoveries. Whether you are a budding photographer or an aspiring astronomer, understanding the function and importance of the pentaprism is a step towards mastering the art and science of optics.

在光学领域，各种设备和组件在光的操控和传输中发挥着至关重要的作用。其中一个这样的设备是五面棱镜，它是许多光学仪器的重要组成部分，特别是在相机和望远镜中。五面棱镜是一种五面体的棱镜，用于以90度的角度反射光线，同时还会倒转图像。这一独特的特性使其对摄影师和天文学家都非常宝贵。 五面棱镜的设计使其能够创建直角反射，这在单反相机的取景器中尤为有用。当摄影师透过取景器观察时，他们看到的场景正是相机将要捕捉到的。这是因为五面棱镜倒转了镜头产生的图像，从而允许准确的构图和框架。如果没有五面棱镜，摄影师将很难正确对齐拍摄，导致许多图像错位。 此外，五面棱镜不仅限于摄影；它在天文望远镜中也发挥着重要作用。望远镜通常需要精确的图像方向来帮助观察天体。五面棱镜通过确保图像正确地朝向观察者来实现这一点。这在观察遥远的星星和星系时尤其重要，因为即使是轻微的错位也会导致混淆和挫折。 五面棱镜的构造通常涉及高质量的玻璃，以最小化失真并最大化光的传输。棱镜的角度经过精确计算，以确保光线以正确的角度反射在表面上，保持图像的完整性。这种精密的工程设计使得五面棱镜与其他光学组件区别开来，使其成为专业人士和爱好者的首选。 除了其实际应用外，五面棱镜还作为几何学和物理学在光学领域交汇的迷人例子。理解五面棱镜背后的原理可以加深人们对周围技术的欣赏。对于光学和摄影的学生来说，掌握五面棱镜的概念至关重要，因为这为更高级的光学系统和设计研究奠定了基础。 总之，五面棱镜是一种非凡的光学设备，它改变了我们捕捉和观察周围世界的方式。它准确反射光线并倒转图像的能力使其成为摄影和天文学中不可或缺的组成部分。随着技术的不断进步，五面棱镜无疑将继续成为光学领域的重要部分，激励未来的创新和发现。无论你是一个新兴的摄影师还是一个渴望成为天文学家的学生，理解五面棱镜的功能和重要性都是掌握光学艺术与科学的一步。