Light in photography

Answer the following on your blog:


Quantity

What does the quantity of light entering the camera affect:

Possible Shutter speeds?

Possible depth of field?

Contrast?


Quality

What is soft (difused) light?

What type of source does it come from?

What effect does it have?


What is hard (direct) light?

What type of source does it come from?

What effect does it have?


Direction

What is front light good for?

What is front light bad for?

What is side light good for?

What is side light bad for?

What is back light good for?

What is a possible problem with back light?


Resource
http://www.scphoto.com/html/light.html