exposure time

简明释义

曝光时间

英英释义

例句

1.The camera settings allow you to manually change the exposure time for creative effects.

相机设置允许您手动更改曝光时间以获得创意效果。

2.The exposure time can be adjusted based on the movement of the subject to avoid motion blur.

可以根据拍摄对象的运动调整曝光时间以避免运动模糊。

3.For night photography, a slower exposure time is essential to avoid underexposed images.

对于夜间摄影，较慢的曝光时间对于避免曝光不足的图像至关重要。

4.In photography, adjusting the exposure time can greatly affect the brightness of the image.

在摄影中，调整曝光时间可以大大影响图像的亮度。

5.Longer exposure times are often used in low-light conditions to capture more light.

在低光条件下，通常使用更长的曝光时间以捕捉更多光线。

作文

In the world of photography, understanding the concept of exposure time is crucial for capturing stunning images. Exposure time refers to the duration for which the camera's sensor is exposed to light when taking a photograph. This essential element plays a significant role in determining the overall brightness and clarity of an image. A longer exposure time allows more light to hit the sensor, resulting in a brighter photograph. Conversely, a shorter exposure time captures less light, which can lead to darker images. However, it is not just about brightness; exposure time also affects motion blur, depth of field, and the overall aesthetic of the photo.When photographers choose their exposure time, they must consider the lighting conditions and the subject of their photograph. For instance, in bright daylight, a shorter exposure time is often necessary to avoid overexposing the image. On the other hand, in low-light situations, such as during sunset or indoors, a longer exposure time can be beneficial to capture more detail and color.One of the most fascinating aspects of exposure time is its impact on motion. When photographing fast-moving subjects, like athletes in action or wildlife, a shorter exposure time is typically used to freeze the motion, resulting in sharp images. In contrast, a longer exposure time can create a sense of movement, as seen in photographs of flowing water or bustling city streets at night, where lights become streaks of color.Experimenting with different exposure times can lead to creative results. Photographers often use techniques such as long exposure photography, where the shutter remains open for several seconds or even minutes. This technique allows them to capture light trails from cars or the smooth appearance of waterfalls, creating a dreamlike effect that captivates viewers.Moreover, understanding exposure time is not limited to still photography. In videography, exposure time—often referred to as shutter speed—plays a critical role in how motion is perceived. A faster shutter speed can make fast movements appear crisp and clear, while a slower shutter speed can introduce motion blur, adding a dynamic feel to the footage.In conclusion, exposure time is a fundamental concept in both photography and videography that significantly influences the outcome of visual storytelling. By mastering this element, photographers and videographers can enhance their work, creating images that not only capture a moment but also evoke emotions and tell stories. Understanding how to manipulate exposure time in various lighting conditions and with different subjects allows artists to express their creativity fully and produce compelling visual narratives.

在摄影的世界中，理解“曝光时间”这一概念对于捕捉惊艳的图像至关重要。“曝光时间”指的是在拍摄照片时，相机传感器暴露于光线的持续时间。这个基本元素在决定图像的整体亮度和清晰度方面起着重要作用。更长的“曝光时间”允许更多的光线照射到传感器上，从而产生更亮的照片。相反，更短的“曝光时间”捕获的光线较少，这可能导致图像变暗。然而，这不仅仅关乎亮度；“曝光时间”还会影响运动模糊、景深以及照片的整体美感。当摄影师选择他们的“曝光时间”时，必须考虑光照条件和拍摄对象。例如，在明亮的阳光下，通常需要较短的“曝光时间”以避免过曝图像。另一方面，在低光环境下，例如日落时分或室内，较长的“曝光时间”可以帮助捕捉更多细节和色彩。“曝光时间”最迷人的方面之一是它对运动的影响。在拍摄快速移动的主体时，例如运动员在比赛中或野生动物，通常使用较短的“曝光时间”来冻结动作，从而产生清晰的图像。相反，较长的“曝光时间”可以创造出运动感，如在拍摄流动水或繁忙的城市街道时，灯光成为色彩的拖尾。尝试不同的“曝光时间”可以带来创意结果。摄影师经常使用长曝光摄影技术，即快门保持打开数秒甚至数分钟。这种技术使他们能够捕捉汽车的光轨或瀑布的平滑外观，创造出一种梦幻般的效果，吸引观众。此外，理解“曝光时间”不仅限于静态摄影。在视频摄影中，“曝光时间”——通常称为快门速度——在运动的感知中发挥着关键作用。更快的快门速度可以使快速移动的画面看起来清晰而清晰，而较慢的快门速度则可以引入运动模糊，为镜头增添动态感。总之，“曝光时间”是摄影和视频摄影中的一个基本概念，对视觉叙事的结果有显著影响。通过掌握这一元素，摄影师和视频制作者可以增强他们的作品，创造出不仅捕捉瞬间而且唤起情感并讲述故事的图像。理解如何在各种光照条件和不同主体中操控“曝光时间”使艺术家能够充分表达他们的创造力，制作出引人入胜的视觉叙事。