anastigmatic

anastigmatic的音标为[ˌænəˈstɪgdəmɪt] ，基本翻译为“柱镜的；散光矫正的”，速记技巧为：an-as-sta-git-matic。

Anastigmatic这个词源自希腊语，意为“平行的”。它的词源中包含了光学中透镜平行的概念，因为anastigmatic镜头是一种特殊类型的镜头，其特点是在不同焦距下都能提供清晰的图像，这得益于其平行透镜的特性。

变化形式：名词形式为Anastigmat，动词形式为anastigmatize。

相关单词：

1. Astigmatism：散光，是一种视力问题，与anastigmatic相反，它会导致图像在视网膜上形成扭曲的图像。

2. Fisheye lens：鱼眼镜头，一种特殊的anastigmatic镜头，它会产生强烈的扭曲效果。

3. Telephoto lens：长焦镜头，一种anastigmatic镜头，可以缩短拍摄距离并放大物体。

4. Macro lens：微距镜头，一种anastigmatic镜头，可以捕捉到微小物体的细节。

5. Zoom lens：变焦镜头，一种anastigmatic镜头，可以在不同焦距之间自由调整。

6. Corrective lens：矫正镜片，一种可能包含anastigmatic元素的镜片，用于纠正视力问题。

7. Diopter：近视角镜片，一种anastigmatic镜片，用于调整眼睛和近距离物体之间的距离。

8. Hyperfocal point：最近清晰点，一种与anastigmatic相关的概念，它描述了焦点之外的清晰区域。

9. Peripheral vision：视野，与anastigmatic相关的概念，它描述了眼睛能够看到的周围环境。

10. Lens aberration：镜头失真，包括像散等与anastigmatic相关的光学问题。

anastigmatic常用短语：

1. anastigmatic lens：双折射镜头

2. anastigmatic system：双折射系统

3. anastigmatic aberration：双折射误差

4. anastigmatic relay lens：双折射传递物镜

5. anastigmatic field：双折射场

6. anastigmatic image：双折射像

7. anastigmatic ratio：双折射比

双语例句：

1. The anastigmatic lens can be used to correct the spherical aberration of the optical system.

双折射镜头可用于矫正光学系统的球面像差。

2. The anastigmatic system can provide a clear and sharp image for the observer.

双折射系统可以为观察者提供清晰、锐利的图像。

3. The anastigmatic relay lens is commonly used in high-power microscopes.

双折射传递物镜在高倍显微镜中常用。

4. The anastigmatic field allows for a wide viewing angle without distortion.

双折射场允许在宽广的视角下观察而不会产生失真。

5. The anastigmatic image is formed by the combination of spherical and chromatic aberrations.

双折射像是由球面像差和色差综合形成的。

6. The anastigmatic ratio can be used to evaluate the quality of optical components.

双折射比可用于评估光学元件的质量。

7. The use of an anastigmatic lens in photography can improve the sharpness of the image captured.

在摄影中使用双折射镜头可以提高所拍摄图像的清晰度。

英文小作文：

Title: The Benefits of Using Anastigmatic Lenses in Optical Systems

Anastigmatic lenses are a type of optical component that can be used in various optical systems to improve the quality of the images produced. These lenses are particularly useful in optical instruments, such as microscopes and cameras, where a clear and sharp image is essential.

One benefit of using an anastigmatic lens is its ability to correct spherical aberration, which occurs when light rays from a point focus at different points in space, resulting in blurred images. Anastigmatic lenses can be used to combine spherical and chromatic aberrations, thereby producing a more uniform and clear image.

Another advantage of using an anastigmatic lens is its ability to provide a wide viewing angle without distortion. This allows users to observe objects from various angles without experiencing any loss of resolution or clarity.

In addition, anastigmatic lenses can be used in relay systems, where they are employed to transfer the image from one lens or lens system to another for further magnification or correction of aberrations. This allows for greater flexibility and control over the overall optical performance of the system.

Overall, the use of anastigmatic lenses in optical systems can significantly improve the quality of the images produced, making them a valuable addition to any optical instrument or camera.