LESSON 1
NOTE: If sheet film is not tilted during the agitation sequence,
processing streaks may occur.
h. Ten seconds before the end of the development time, lift the hangers
from the developer, drain them, and transfer them to the stop bath. Agitate
the film continuously for 3060 seconds.
i. Set the time to 5 minutes and transfer the hangers to the fixing
tank. The initial agitation is continuous for the first 30 seconds. As
with the developer, you need to agitate the film for 5 seconds every 30
seconds or for 10 seconds every 60 seconds. Fixing time is 5 minutes.
j. Wash the negatives thoroughly in running water for 30 minutes (5
minutes if a clearing agent is used).
k. Remove the hangers from the wash water and immerse them in the
photoflo for one minute. Tap the hangers to dislodge any air bubbles.
l. Remove the film from the hangers. Then attach a film clip to one
corner of the film and hang it in a drying cabinet. Eliminate excess
surface moisture with a photo chamois or viscous sponge.
11. Processing roll film in large tank. To process roll film in a tank,
proceed as follows:
a. Use at least three tanks one for the developer, one for the stop
bath, and one for fixer.
b. Bring the solutions to the correct temperature and set the timer for
the appropriate development time.
c. Arrange roll film and film developing reels so that they are easily
accessible, then turn off the lights.
d. Remove the film from the roll and load it onto the processing reel.
Place the loaded reels on a processing stick or in a processing rack.
e. Start the timer and lower the reels into the developer.
f. Using an up and down (vertical) motion, agitate the reels for 15
seconds, striking the reels sharply against the bottom of the tank once or
twice to dislodge air bubbles clinging to the film. Thereafter, agitate the
film for 5 seconds every 30 seconds or for 10 seconds every 60 seconds.
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