Definitions
It is important that you understand these photographic terms before
you proceed.
Density
Density is the darkness of a photographic image. It is expressed as a
number. The higher the number, the darker the image.
The density of photographic images is affected by:
• Exposure
Amount of light that reaches the photographic medium. Changing
the exposure changes the density of the processed image.
• Development
Changes to the developing conditions (i.e. processor speed, devel-
oper temperature), affect the density of the processed image.
Dmax
Dmax is the maximum density that can be found in a photographic
image.
A–2
•
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