逆光,并不是一个新鲜的题目,是摄影的基础课题。正面光又叫作顺光,是旅游、风景、人像摄影时很受大家喜爱的一种光源,主要原因是因为它能照亮被摄体,使得被摄体与背景的天和环境曝光度一致而达到光比均衡的效果。因此,在顺光下拍摄的照片很难会有阴影过暗或亮部过亮的问题,且能使得颜色看起来饱和。不过,正面光的被摄体往往都因为正面向着太阳而开不到眼睛,被摄体在照片内表情不会太好。纯粹的正面光,会使影像看起来缺乏立体感。有时候,我们还是喜欢稍微有点角度的光线,如侧光或逆光。侧光或逆光拍摄,较能突显被摄体的立体感。不过,因为光线照射角度关系,使得这两种光线在拍 Backlight, not a fresh topic, is the basic issue of photography. Front light, also known as Shun light, is a source of light for travel, landscapes and portraits. The main reason for this is that it illuminates the subject so that the subject and the background are the same day and environment. And to achieve the effect of light than the balance. As a result, it is hard to have too dark shadows or brighter shadows in photos taken in the direct sunlight and to make the color look saturated. However, the frontal light of the subject is often because the front facing the sun can not open the eyes, the subject in the photo expression will not be too good. Pure front light, the image will look lack of three-dimensional. Sometimes, we still like a bit of light, such as sidelight or backlighting. Sidelight or backlight shooting, more able to highlight the three-dimensional sense of the subject. However, because of light exposure angle, making these two kinds of light in the beat