彩虹镜

彩虹镜用 光学玻璃制成的无色透明镜片，上面刻有不同的放射线条，利用多重光栅使光源沿着不同方向进行色散，形成幅射状的彩色线条.利用这种镜片进行拍摄，可使照片变得绮丽多姿、光华四射.运用得当，能使照片具有一种幻境般的 艺术效果.使用彩虹镜时，光圈应放大 半档至一档，或相应地改变 快门速度，以求准确曝光. Made of optical glass, colorless and transparent lens is inscribed with a different section of the radiation, the use of multiple light sources along the grating so that dispersion in different directions to form a radiation-like color lines. Use of such lenses to shoot, can change photos was lai scene in great success. used properly, can have a photo like illusion artistic effect. the use of rainbow mirror, the aperture should be larger semi-file to a file, or change the shutter speed accordingly, in order to accurately exposed.