back light

简明释义

倒车灯;

英英释义

例句

1.The photographer adjusted the back light to reduce shadows on the model's face.

摄影师调整了背光以减少模特脸上的阴影。

2.For this presentation, I set up a back light to make the charts more visually appealing.

在这次演示中，我设置了背光以使图表更具视觉吸引力。

3.In photography, using a back light can create a beautiful halo effect around the subject.

在摄影中，使用背光可以为主体创造美丽的光环效果。

4.The director decided to use a back light to emphasize the actor's silhouette in the scene.

导演决定使用背光来突出场景中演员的轮廓。

5.To enhance the mood of the room, we installed a back light behind the TV.

为了增强房间的氛围，我们在电视后面安装了背光。

作文

In the world of photography and cinematography, lighting plays a crucial role in shaping the mood and atmosphere of an image. One important technique that photographers and filmmakers use is called back light, which refers to the light source positioned behind the subject. This technique can create stunning visual effects and add depth to the composition. Using back light effectively can enhance the overall quality of the photograph or film, making it more engaging for the audience.The primary purpose of back light is to illuminate the subject from behind, creating a silhouette effect that highlights the contours and edges. When used correctly, back light can produce a dramatic contrast between the subject and the background, drawing the viewer's attention to the main focus of the image. For instance, during sunset, a photographer might position their subject in front of the setting sun, allowing the warm light to outline the figure while casting the foreground into shadow. This creates a captivating scene that evokes emotion and intrigue.Another advantage of using back light is its ability to separate the subject from the background. By placing a light source behind the subject, it creates a rim or halo effect that defines the edges. This technique is particularly useful in portrait photography, where it can add a sense of dimension and make the subject stand out against a busy background. In film, directors often utilize back light to create a sense of depth and layering, guiding the audience’s eye toward the focal point of the scene.However, mastering the use of back light requires practice and an understanding of how light interacts with different surfaces. Overexposing the back light can lead to loss of detail in the subject, while underexposing may result in a flat image lacking contrast. Photographers must experiment with various angles and intensities of light to achieve the desired effect. Additionally, using reflectors or fill lights can help balance the exposure, ensuring that details are preserved without losing the dramatic impact of the back light.In conclusion, back light is a powerful tool in the arsenal of any photographer or filmmaker. It can transform ordinary scenes into extraordinary visuals by adding depth, drama, and emphasis. Whether capturing a breathtaking landscape or a heartfelt moment in a film, understanding how to utilize back light can elevate the quality of the work significantly. As with any artistic technique, the key lies in experimentation and creativity, allowing the artist to explore the endless possibilities that back light has to offer.

在摄影和电影制作的世界中，光线在塑造图像的氛围和情感方面发挥着至关重要的作用。一种重要的技术是称为背光，它指的是光源位于主体后面。这种技术可以创造出令人惊叹的视觉效果，并为构图增添深度。有效使用背光可以提高照片或影片的整体质量，使其对观众更具吸引力。背光的主要目的是从后面照亮主体，创造出一种剪影效果，突出轮廓和边缘。当使用得当时，背光可以在主体和背景之间产生戏剧性的对比，吸引观众的注意力。例如，在日落时，摄影师可能会将主体放置在落日的前面，让温暖的光线勾勒出人物的轮廓，同时将前景投射成阴影。这创造了一个引人入胜的场景，唤起情感和好奇。使用背光的另一个优点是能够将主体与背景分开。通过将光源放置在主体后面，可以创建一个边缘或光环效果，定义边缘。这种技术在肖像摄影中特别有用，它可以增加维度感，使主体在繁忙的背景中脱颖而出。在电影中，导演经常利用背光来创造深度和层次，引导观众的视线朝向场景的焦点。然而，掌握背光的使用需要实践和对光线与不同表面互动方式的理解。过度曝光的背光可能导致主体细节丧失，而曝光不足可能导致图像平坦，缺乏对比。摄影师必须尝试各种角度和光强度，以实现所需效果。此外，使用反射器或填充光可以帮助平衡曝光，确保在不失去背光戏剧性影响的情况下保留细节。总之，背光是任何摄影师或电影制作人手中的强大工具。通过增加深度、戏剧性和重点，它可以将普通场景转变为非凡的视觉效果。无论是在捕捉令人惊叹的风景，还是在电影中展现感人的瞬间，理解如何利用背光可以显著提升作品的质量。与任何艺术技巧一样，关键在于实验和创造力，让艺术家探索背光所提供的无尽可能性。