全色片是照相和电影摄取黑白负像的一种感光片。能感受光谱中全部可见波段，即赤、橙、黄、绿、青、蓝、紫。用全色片拍摄色彩丰富的景物，在照片上表现的明暗层次，与人的视觉较接近。gan Guangpian a black and white, can feel all the visible light spectrum, namely red, orange, yellow, green, green, blue, purple seven-color light can be felt. Panchromatic film with the intake of colorful scenery,