If one considers oneself an artist in the field of photography, then there is no doubt that the camera is the only primary tool. It captures the moment inside the frame into a unique visual representation, which portrays the essence of art. The art of photography, in all styles, takes one into the world of visual rhythm of harmonies. To study and understand camera, a photographer must know what it is fundamentally, to express his visualization, and explore the border spectrum a camera offers. This lesson let one start that journey of learning.