Black and White Digital Photography and Negative: Digital Cameras Basic Theories

overexposure or underexposure because he can represent what he sees in the world in whatever way it suits him: if he wants to reproduce a very contrasted scene, the correspondence between brightness and the tones can be modified with no problem.

In photography, on the other hand, the conversion of a scale of brightness to a range of densities is governed by the characteristics of the emulsion and the development. This is what decides how the correspondence is made between brightness and density and those who mark what we can and can't do.

The black and white negative let us obtain copies on paper. The difference between one and the other is very narrow. We can't get a quality print from a negative that is, once developed, of mediocre quality. The consequences of using a negative resound almost directly on the positive image. W e know that the main identification sign of a negative is it's sensitivity. Depending on it, the other three main characteristics of a negative vary: the contrast, the exposure latitude and the grain.