Totally new to Photography,
I am trying to take hemispherical photographs using a D700 And A Fisheye-Nikkor 8mm f/2.8 lens for my research. And i am required to set my camera as follow [Exposure - Set up the camera so that it takes 3 photos at each point{Point being the same position} (2 f-stops below automatic exposure, 1 f-stop below automatic exposure and at automatic exposure). This can be achieved with bracketing starting at -1.]
And I have no idea what, any of those words mean and what to do.
Any help please