flash duration

简明释义

闪光持续时间

英英释义

例句

1.For capturing lightning, a very short flash duration is essential to avoid motion blur.

为了捕捉闪电，非常短的闪光持续时间是必要的，以避免运动模糊。

2.The camera settings allow for manual control of the flash duration, giving photographers more creative freedom.

相机设置允许手动控制闪光持续时间，为摄影师提供更多创作自由。

3.Adjusting the flash duration can significantly impact the exposure and mood of the photograph.

调整闪光持续时间会显著影响照片的曝光和氛围。

4.The photographer adjusted the flash duration to capture the perfect moment of the dancer in mid-air.

摄影师调整了闪光持续时间，以捕捉舞者在空中完美的瞬间。

5.In high-speed photography, a shorter flash duration can freeze fast-moving objects more effectively.

在高速摄影中，更短的闪光持续时间可以更有效地冻结快速移动的物体。

作文

In the realm of photography and lighting, the term flash duration refers to the length of time that a flash of light is emitted when a camera's flash is triggered. This duration can vary significantly depending on the type of flash used. For instance, studio flashes typically have a longer flash duration, lasting anywhere from 1/500th to 1/1000th of a second. In contrast, high-speed flashes can produce an incredibly brief flash duration, sometimes as short as 1/50,000th of a second. Understanding the concept of flash duration is crucial for photographers who wish to capture fast-moving subjects without motion blur.The importance of flash duration becomes evident when considering how it affects the exposure of an image. A shorter flash duration allows for freezing motion, which is particularly useful in sports photography or wildlife photography where subjects may be moving quickly. For example, capturing a hummingbird in flight requires a flash with a very short flash duration to ensure that the wings appear sharp and clear rather than a blurred streak. On the other hand, if a photographer uses a flash with a longer flash duration, the resulting image may show motion blur, which could detract from the quality of the photograph.Moreover, the flash duration also plays a significant role in the overall lighting of a scene. When using multiple flashes in a setup, understanding how each flash's flash duration interacts can help achieve the desired effect. For example, in portrait photography, a photographer may choose a flash with a longer flash duration to create a softer light that wraps around the subject, enhancing their features. Conversely, using a flash with a shorter flash duration can create stark, dramatic shadows, adding intensity to the image.In addition to its technical implications, the concept of flash duration also has artistic applications. Photographers often experiment with different flash duration settings to achieve creative effects. For instance, by combining various flash duration settings with ambient light, they can create dynamic images that convey a sense of motion or stillness. This experimentation can lead to unique artistic expressions, showcasing the versatility of light in photography.In conclusion, the term flash duration is more than just a technical specification; it is a fundamental aspect of photography that influences how images are captured and perceived. By mastering the nuances of flash duration, photographers can enhance their skills, allowing them to freeze moments in time or create stunning visual effects. Whether one is a hobbyist or a professional, understanding flash duration can significantly elevate the quality of their work and open new avenues for creativity in the world of photography.

在摄影和照明领域，术语闪光持续时间指的是相机闪光灯触发时发出闪光的时间长度。这个持续时间可能因所使用的闪光灯类型而异。例如，工作室闪光灯通常具有较长的闪光持续时间，持续时间从1/500秒到1/1000秒不等。相比之下，高速闪光灯可以产生极其短暂的闪光持续时间，有时短至1/50,000秒。理解闪光持续时间的概念对于希望捕捉快速移动对象而不产生运动模糊的摄影师来说至关重要。闪光持续时间的重要性在于它对图像曝光的影响。当使用较短的闪光持续时间时，可以冻结运动，这在体育摄影或野生动物摄影中尤为有用，因为这些主题可能会快速移动。例如，捕捉飞行中的蜂鸟需要使用非常短的闪光持续时间，以确保翅膀看起来清晰而锐利，而不是模糊的条纹。另一方面，如果摄影师使用具有较长闪光持续时间的闪光灯，最终的图像可能会出现运动模糊，这可能会降低照片的质量。此外，闪光持续时间在场景的整体照明中也发挥着重要作用。在设置中使用多个闪光灯时，理解每个闪光灯的闪光持续时间如何相互作用可以帮助实现所需效果。例如，在人像摄影中，摄影师可能选择具有较长闪光持续时间的闪光灯，以创造出包裹在主体周围的柔和光线，增强他们的特征。相反，使用具有较短闪光持续时间的闪光灯可以创造出鲜明、戏剧性的阴影，为图像增添强度。除了其技术含义外，闪光持续时间的概念在艺术应用中也具有重要意义。摄影师常常尝试不同的闪光持续时间设置，以实现创造性的效果。例如，通过将各种闪光持续时间设置与环境光结合，他们可以创建动态图像，传达运动或静止的感觉。这种实验可以导致独特的艺术表现，展示了光在摄影中的多样性。总之，术语闪光持续时间不仅仅是一个技术规格；它是摄影的一个基本方面，影响图像的捕捉和感知方式。通过掌握闪光持续时间的细微差别，摄影师可以提升他们的技能，使他们能够冻结瞬间或创造令人惊叹的视觉效果。无论是业余爱好者还是专业人士，理解闪光持续时间都能显著提高他们作品的质量，并为摄影世界中的创造力开辟新的途径。