These different types of lighting create different gradients and colours of light giving an image more meaning and depth. The way the light is enables the image to be more interesting and direct to what you want for your shoot.
iCrane by cwaldeck. this is a short video about our iCrane project. could not put much time into it, but i hope it helps to give you a good idea about the iCrane ; find more information at (if you are fast, you can get an iCrane for 199 EUR!