aberration of lens

简明释义

透镜象差

英英释义

例句

1.To achieve perfect focus, it's important to minimize any aberration of lens during the calibration process.

为了实现完美的焦点，在校准过程中减少任何镜头的像差是很重要的。

2.The photographer noticed an aberration of lens that caused a slight blur in the corner of the image.

摄影师注意到一个镜头的像差，导致图像角落有轻微模糊。

3.Advanced cameras often have features that correct for aberration of lens automatically.

高级相机通常具有自动校正镜头的像差的功能。

4.Understanding aberration of lens is crucial for anyone serious about photography.

理解镜头的像差对于任何认真对待摄影的人来说都是至关重要的。

5.The aberration of lens was evident in the test shots taken with the low-quality glass.

使用低质量玻璃拍摄的测试照片中明显出现了镜头的像差。

作文

When discussing the intricacies of optics, one term that often arises is the aberration of lens. This phenomenon refers to the imperfections in the image produced by a lens, which can distort or blur the final result. Understanding this concept is crucial for anyone involved in photography, astronomy, or even vision correction. In essence, aberration of lens (镜头的像差) occurs due to various factors such as the shape of the lens, the material used, and the wavelength of light being focused. There are several types of lens aberrations, including spherical aberration, chromatic aberration, and astigmatism. Spherical aberration happens when light rays that strike the edge of a lens focus at a different point than those that hit near the center. This can lead to a blurry image, which is particularly noticeable in wide aperture settings. On the other hand, chromatic aberration is caused by the lens's inability to focus all colors of light to the same convergence point. This results in a fringe of color along boundaries that separate dark and bright parts of the image. Astigmatism, another type of aberration of lens (镜头的像差), occurs when the lens has different focal points in different planes, leading to distorted images that lack sharpness.Photographers and optical engineers must take these aberrations into account when designing lenses or capturing images. High-quality lenses are often constructed with multiple elements made of different types of glass to minimize these aberrations. For example, aspherical lenses are designed to reduce spherical aberration, while apochromatic lenses aim to correct chromatic aberration. Knowing how to choose the right lens can significantly enhance the quality of photographs and ensure that the images captured are as clear and true to life as possible.In the field of astronomy, understanding aberration of lens (镜头的像差) is equally important. Telescopes, which rely on large lenses or mirrors to gather light from distant stars, must be carefully calibrated to avoid these optical errors. Even a small aberration can lead to significant misinterpretations of celestial objects. Astronomers often use sophisticated software to correct for these aberrations during image processing, allowing them to obtain clearer views of the universe.Moreover, in the realm of vision correction, optometrists must consider lens aberrations when prescribing glasses or contact lenses. The human eye itself is not perfect and can exhibit its own form of aberrations. Therefore, custom lenses may be created to counteract these imperfections, ensuring that individuals have the best possible vision.In conclusion, the aberration of lens (镜头的像差) is a fundamental concept in optics that affects various fields, from photography to astronomy and vision correction. By understanding the different types of aberrations and their implications, professionals can create better optical devices and improve the quality of images we see in our daily lives. As technology advances, the ability to minimize these aberrations will continue to enhance our visual experiences, making it an exciting area of study for both scientists and hobbyists alike.