established. By systematically comparing daily
production to the reference, you can detect, identify,
and correct errors in procedure.
broadest terms, sensitometry, as applied to the whole
photographic process, includes methods of
measurement, process control, and data analysis. It
exposing film to viewing the final image.
product was judged only from its visual aspects. As
a further step, you should know of other controlled
working methods and techniques that ensure
sensitometry, is one method of using certain
photographic theories to improve photographs while
saving time, effort, and materials.
numbers and not in terms of personal opinion.
Sensitometry provides a permanent record of the
process and indicates whether the system was in
control when a given film or paper was processed
cause of poor quality and the exact amount of
deviation from the standard.
processing and the range or limit that quality should
not exceed. The standard is based on developing the
same film or paper that is given a known exposure
a n d c o m p a r i n g t h e r e s u l t i n g d e n s i t i e s .
Black-and-white processing is discussed first in the
Advanced Photography Course