aperture time

简明释义

孔径时间

英英释义

例句

1.To freeze motion in sports photography, you need to minimize the aperture time.

为了在体育摄影中定格动作，你需要最小化光圈时间。

2.Adjusting the aperture time can dramatically change the depth of field in your shots.

调整光圈时间可以显著改变你拍摄中的景深。

3.The film director specified a short aperture time to create a fast-paced sequence.

电影导演指定了一个短的光圈时间以创造快速的场景。

4.In astrophotography, a longer aperture time helps capture more light from distant stars.

在天文摄影中，更长的光圈时间有助于捕捉来自遥远星星的更多光线。

5.The photographer adjusted the camera settings to optimize the aperture time for low-light conditions.

摄影师调整了相机设置，以优化在低光条件下的光圈时间。

作文

In the realm of photography, understanding technical terms is crucial for capturing the perfect shot. One such term that often comes up is aperture time, which refers to the duration for which the camera's aperture remains open to allow light to hit the sensor. This concept is fundamental in controlling exposure and depth of field in an image. When photographers talk about aperture time, they are usually discussing how it influences the overall quality of their photographs.The aperture time can significantly affect the outcome of a photograph. A longer aperture time means that more light enters the camera, which is particularly useful in low-light situations. For instance, when shooting at dusk or in dimly lit environments, a photographer may choose to increase the aperture time to ensure that the image is well-exposed. However, this comes with its own set of challenges. Longer exposure times can lead to motion blur if the subject is moving or if the camera is not held steady. Therefore, photographers often use tripods or other stabilization techniques to counteract this issue.On the other hand, a shorter aperture time is beneficial when capturing fast-moving subjects, such as athletes in action or wildlife in their natural habitat. By reducing the aperture time, the photographer can freeze the motion, resulting in a sharp and clear image. This is why sports photographers often work with fast shutter speeds to ensure they capture every moment without any blurriness.Moreover, the relationship between aperture time and aperture size (the opening through which light passes) is also important. A wider aperture allows more light to enter the camera, which can reduce the aperture time needed for a proper exposure. Conversely, a smaller aperture requires a longer aperture time to achieve the same level of brightness in the image. This interplay between aperture size and aperture time is essential for photographers to master, as it allows them to manipulate depth of field creatively. A shallow depth of field, achieved by using a wide aperture, can isolate a subject from its background, creating a pleasing bokeh effect. In contrast, a deep depth of field, obtained with a smaller aperture, ensures that both the foreground and background are in focus, which is often desired in landscape photography.In conclusion, mastering the concept of aperture time is vital for anyone looking to improve their photography skills. It affects not only the exposure of an image but also the overall composition and artistic expression. By understanding how to manipulate aperture time in conjunction with aperture size and other settings, photographers can create stunning images that truly capture the essence of their subjects. Whether you are a beginner or an experienced photographer, paying attention to aperture time can elevate your work and enhance your ability to convey emotion and narrative through your photographs.

在摄影领域，理解技术术语对捕捉完美镜头至关重要。其中一个常见的术语是光圈时间，它指的是相机光圈打开以允许光线照射传感器的持续时间。这个概念在控制图像的曝光和景深方面是基础。当摄影师谈论光圈时间时，他们通常是在讨论它如何影响照片的整体质量。光圈时间可以显著影响照片的结果。较长的光圈时间意味着更多的光线进入相机，这在低光环境中特别有用。例如，在黄昏或光线昏暗的环境中拍摄时，摄影师可能会选择增加光圈时间以确保图像曝光良好。然而，这也带来了自己的挑战。较长的曝光时间如果被摄主体在移动或相机不稳，则可能导致运动模糊。因此，摄影师通常使用三脚架或其他稳定技术来抵消这个问题。另一方面，较短的光圈时间在捕捉快速移动的主体时是有利的，例如运动员在比赛中或野生动物在自然栖息地中的表现。通过减少光圈时间，摄影师可以冻结动作，从而获得清晰锐利的图像。这就是为什么体育摄影师通常使用快速快门速度，以确保他们捕捉到每一个瞬间而没有任何模糊。此外，光圈时间与光圈大小（光线通过的开口）之间的关系也很重要。较大的光圈允许更多的光线进入相机，这可以减少所需的光圈时间以实现适当的曝光。相反，较小的光圈需要更长的光圈时间才能达到相同的亮度水平。光圈大小与光圈时间之间的这种相互作用对于摄影师来说至关重要，因为它允许他们创造性地操控景深。通过使用大光圈实现的浅景深可以将主体从背景中孤立出来，创造出令人愉悦的虚化效果。相反，通过较小的光圈获得的深景深确保前景和背景都处于焦点，这在风景摄影中通常是所希望的。总之，掌握光圈时间的概念对任何希望提高摄影技能的人来说都是至关重要的。它不仅影响图像的曝光，还影响整体构图和艺术表现。通过理解如何操控光圈时间以及光圈大小和其他设置，摄影师可以创作出真正捕捉其主题本质的惊人图像。无论你是初学者还是经验丰富的摄影师，关注光圈时间都可以提升你的作品，并增强你通过照片传达情感和叙事的能力。