focal plane

简明释义

焦面

英英释义

例句

1.The camera's sensor is located at the focal plane, where the image is sharply focused.

相机的传感器位于焦平面，在那里图像是清晰聚焦的。

2.To achieve the best results, you need to align the light source with the focal plane of the optical system.

为了获得最佳效果，您需要将光源与光学系统的焦平面对齐。

3.In microscopy, the focal plane is critical for obtaining clear images of specimens.

在显微镜中，焦平面对于获取样本的清晰图像至关重要。

4.The focal plane determines where the subject appears in sharp focus in a photograph.

焦平面决定了在照片中主体出现清晰聚焦的位置。

5.Adjusting the lens will change the distance to the focal plane, affecting the depth of field.

调整镜头会改变到焦平面的距离，从而影响景深。

作文

In the world of photography and optics, the term focal plane refers to a specific location in the camera or optical system where light rays converge to form a clear image. Understanding the concept of the focal plane is crucial for photographers and anyone involved in visual arts, as it directly impacts the sharpness and clarity of the images captured. The focal plane is not just a technical aspect; it plays a pivotal role in how we perceive depth, focus, and composition in photography.When a camera lens focuses on a subject, it adjusts to ensure that the light from that subject converges at the focal plane. This is the point where the image sensor or film lies, and it is where the image appears in the sharpest detail. If the subject is in focus, it means that the light rays from that subject are hitting the focal plane precisely. However, if the subject is out of focus, the light rays do not converge correctly on the focal plane, resulting in a blurry image.The position of the focal plane can vary depending on several factors, including the type of lens used and the distance between the lens and the subject. For instance, a wide-angle lens has a different focal plane compared to a telephoto lens, even when pointing at the same subject. Photographers often manipulate the focal plane to achieve desired effects, such as selective focus, where only a part of the image is sharp while the rest is blurred. This technique can create a sense of depth and draw attention to the main subject.Moreover, the focal plane also interacts with the aperture settings of the camera. A wider aperture (smaller f-stop number) results in a shallower depth of field, meaning that the area in focus is limited to a narrow band along the focal plane. Conversely, a smaller aperture (larger f-stop number) increases the depth of field, allowing more of the scene to be in focus. Understanding how to manipulate the focal plane through aperture settings is essential for achieving the desired artistic effect in photography.In addition to its importance in photography, the concept of the focal plane is equally relevant in other fields such as microscopy and cinematography. In these disciplines, the focal plane determines how clearly objects can be viewed or recorded. For example, in microscopy, adjusting the focal plane allows scientists to observe specimens at various depths, revealing details that might otherwise remain hidden.In conclusion, the focal plane is a fundamental concept that underpins the art and science of capturing images. Whether you are a professional photographer, a hobbyist, or someone interested in the mechanics of visual representation, understanding the focal plane will enhance your ability to create compelling images. It is a powerful tool that, when mastered, can lead to stunning visual storytelling and a deeper appreciation for the intricacies of light and focus in our visual world.

在摄影和光学的世界中，术语焦平面指的是相机或光学系统中光线聚焦形成清晰图像的特定位置。理解焦平面的概念对于摄影师和任何参与视觉艺术的人来说至关重要，因为它直接影响所捕捉图像的清晰度和锐利度。焦平面不仅是一个技术方面，它在我们如何感知深度、焦点和摄影构图中扮演着关键角色。当相机镜头对着一个主题进行对焦时，它会调整以确保来自该主题的光线在焦平面上聚焦。这是图像传感器或胶卷所在的位置，也是图像显示出最清晰细节的地方。如果主题处于对焦状态，这意味着来自该主题的光线正好击中焦平面。然而，如果主题失去焦点，则光线无法正确聚焦在焦平面上，从而导致图像模糊。焦平面的位置可以根据多种因素而变化，包括所使用的镜头类型和镜头与主题之间的距离。例如，广角镜头与长焦镜头即使对准同一主题，其焦平面也不同。摄影师常常操控焦平面以实现所需效果，例如选择性对焦，其中只有图像的一部分是清晰的，而其余部分则模糊。此技巧可以创造出一种深度感，并将注意力集中在主要主题上。此外，焦平面还与相机的光圈设置相互作用。较大的光圈（较小的f值）导致较浅的景深，这意味着在焦平面上的对焦区域限制在一个狭窄的带上。相反，较小的光圈（较大的f值）增加了景深，使更多场景保持对焦。理解如何通过光圈设置操控焦平面对于实现所需艺术效果至关重要。除了在摄影中的重要性，焦平面的概念在显微镜学和电影制作等其他领域同样相关。在这些学科中，焦平面决定了物体能否被清晰地观察或记录。例如，在显微镜学中，调整焦平面使科学家能够观察不同深度的标本，揭示可能隐藏的细节。总之，焦平面是支撑捕捉图像的艺术和科学的基本概念。无论你是专业摄影师、业余爱好者，还是对视觉表现机制感兴趣的人，理解焦平面将增强你创作引人注目的图像的能力。这是一种强大的工具，掌握后可以引导出惊人的视觉叙事，以及对我们视觉世界中光和焦点的复杂性的更深入欣赏。