Light can create texture and interesting lines. Light and shadow together can create a sense of depth in a scene. Or allow you to control the viewer's eye. And controlling the viewer's eye is the essence of composition.There is no photography without light and the secret to controlling light is to understand exposure.
exposure is. Controlling the amount of light that gets to the image sensory in your camera. Too much light and your image will be overexposed, it'll be too bright. Highlight details will be lost to complete white. Colors will be washed out. Too little white and your image will be underexposed, it'll be too dark. Shadow details will be lost to complete black. Learn Photography basics with CameraLK Youtube Channel .