Although photography is an art form; art is only the thought and effect expressed by the results eventually the ultimate thing which presents your creativity. In the process of creating images, we inevitably have to touch technology and with the help of that, we are able to control the final artistic expression more easily. The biggest feature of the technology is that everything can be represented by the most intuitive figures. Whether in the process of shooting digital images or in the post-processing of images and for this eventually, we access the histograms. We don’t need to understand how the