LESSON 2
Figure 22. Printing frame
(5) Turn off all white room lights. Use only the correct safe
lights.
(6) Judge the contrast of the negatives. If you do not have the
ability to judge contrast, start out by assuming that the negatives have
normal contrast.
(7) Decide what contrast filter must be used. As in the above step,
if you cannot judge the contrast yet, assume that a medium contrast filter
will do the job. Position the correct filter on the printer, and then
select a sheet of variable contrast paper. Now you are ready to make a test
strip. (If you are using graded paper then don't worry about the contrast
filters).
b. The procedure for making a contact printing test, using a printing
frame is as follows:
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