I have a Nikon D3 and the question for the assignment is what is the dynamic range of your camera in F stopsIs the grey card exposure (zone v) in the middle of the range iso 200, iso 400, iso 800 is there a colour bias as the exposure changes can you detect noise in the shadows. please if someone has done this can you kindly help. any help would be appreciated I have already paid for this diploma in photography otherwise I would have pulled out put it this way my husband paid for it and he is very ill and I want to go through with it to make him proud. before it is too late.