Traditional Culture Encyclopedia - Photography and portraiture - How to shoot the backlight in photography? Thank you, everyone.
How to shoot the backlight in photography? Thank you, everyone.
You know, you have to understand what backlight is. In the process of shooting creation, it is often encountered that the subject is between the light and the photographer. This light source is what we often call backlight. As shown in figure 1, when the light source is at point A and is in a position of "three points and one line" relative to the subject and photographer, this light is called backlight. When the light source moves from point A to point B and point C, this light is called side backlight. When the position of the light source is low at point E, this kind of backlight is called planar backlight. When the light source moves from point E to point D, the position of the light source rises, which is called oblique backlight. We often say that indoor shooting needs a backlight with special light distribution, and the most common backlight is sunlight. As the sun changes with time, the position of this light source is constantly changing, which makes it difficult for beginners to shoot backlight. However, as long as you master the basic skills of backlight photography, the difficulties will be solved. Second, we must grasp the characteristics of backlight. In the morning and evening, because the angle of sunlight is very low, the light source is flat, and the sun shines on the subject from the back of the subject at a very low angle. The projection of the subject is very long and the height of the dark part is very weak. This kind of backlight, whether it is front backlight or side backlight, is helpful to highlight the main body, and it is an ideal light to outline people and scenery, reflect the beautiful form of people and create a rich sense of depth. Under other lighting conditions, the messy scenery becomes concise and expressive at this time. When shooting the CCTV building, the author chose a low angle in the sunset, and used the afterglow of the sun to outline the outline of the CCTV building, so that the chaotic buildings around the CCTV building could be hidden. At this time, the color temperature of the sunset is low and the film is warm, thus obtaining a silhouette photo with prominent theme and simple composition (as shown in Figure 2). Third, pay attention to correct exposure. For beginners, choosing the right exposure is the key to taking good photos. The same is true for taking backlit photos. If you take a general commemorative photo, you should not only take a clear picture of the characters, but also take a clear picture of the scene. You should take photos with this person's facial photometric data. When the light ratio is relatively large, it is easy to make people's exposure normal if people's faces are used to measure light; When the background is overexposed, the flash should be used to fill the light properly, so that both the subject and the background can be fully exposed (as shown in Figure 3). If you take a close-up of a person or other subject, you should take a photometric shot according to the brightness of the person's face or the shadow part of the subject. If you take a silhouette photo, you should take a photometric photo according to the brightness of the background. Attention should be paid to: when taking photos with backlight, you should use cross light reasonably, which will blur the subject. If you take a black-and-white photo, the developed photo will appear white where there is a string of light, which will affect the aesthetic feeling of the photo, and in the most serious case, it will turn the photo into waste. If you shoot with color film, crosstalk will change the tone of the photo. If handled properly, the string light at this time will add artistic conception to the subject. It is suggested that beginners use trapezoidal exposure method when taking backlight photography, so that the photos taken will be easier to "fly", with more choices and more opportunities for harvest.
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