Figure 2-4.—Plotting points for the characteristic curve.
density. This section is defined as a region of
unequal density differences. Exposures made in this
unequal rise, because the density does not increase
section of the curve lack detail. For ground pictorial
equally for equal increases in exposure. Subject tones
photography, satisfactory exposures are made when
exposed in this section are reproduced with small,
the shadow areas of the subject fall in the toe area.
2-10
