摄影本质上就是组织,使进入画框里的图像元素有序化,而有序化最重要的手法就是对比。对比是利用不同元素的差异进行比较,强调的是图像元素之间的区别,将人们的注意力吸引到需要表现的趣味中心,从而产生某种视觉感受。对比的形成,有它的生理因素,也有它的心理因素,人的视觉及其神经感受过程具有一定的特性,这些特性是形成“对比”的生理基础。作为摄影表现手法,常用的对比手法可分为形式对比和内容对比;也可分 Photography is essentially an organization that allows for the ordering of the elements of the picture that go into the frame, and the most important method of ordering is contrast. Contrast is the use of differences in the comparison of different elements, emphasizing the difference between the elements of the image, people’s attention will be drawn to the need to show the fun center, resulting in some kind of visual experience. The formation of contrast, its physiological factors, but also its psychological factors, human visual and neural processes have certain characteristics, these characteristics is the formation of “contrast ” physiological basis. As a photographic technique, commonly used methods of comparison can be divided into form comparison and content comparison; can be divided