degrees Celsius (C)) or lower. If this is not possible, then protect film
from direct sunlight, heat, radiators, etc.
Nonprofessional films can be
stored at room temperature.
Professional films must be kept under
40 percent where possible. Keep film in its original container until ready
d. Atmospheric Elements.
Harmful gases, such as gasoline vapors, can
Always keep film in its original container before
When film has been exposed, replace as much of the original
wrapping as possible. Additional protection may be necessary depending on
your location and climate.
e. Opening Precautions.
Films stored under refrigeration must not be
opened immediately upon removal from storage. They must be allowed to warm
up gradually. If not, moisture will condense on the film emulsion. Always
allow film to warm up slowly.
Usually, one hour is sufficient before
opening the package.
Always refer to the manufacturer's instructions for
This completes lesson 1.
Before continuing to lesson 2, complete the
following practice exercise. If you have any difficulty, refer back to the
pages indicated in the practice exercise answer key and feedback sheet.
Then go to lesson 2.