Figure 1-14.
Filters for different lighting situations
NOTE:
Type 80 filters are blue in color while 85 filters are yellowish.
This and other lists in this section are just guides.
You must follow the recommendations of the film manufacturer.
These
recommendations apply primarily to reversal rather than negative-type film.
When using a camera with behind-the-lens metering, exposure changes because
filter factors are automatically adjusted for.
(2) Light-balancing filters. Light-balancing filters are paler than
conversion filters. They are used for slight adjustment within the general
light balance of the film (i.e., matching type A film to different types of
tungsten lighting, etc.).
Figure 1-15 is a list of commonly used light-
balancing filters.
NOTE:
The 81 series filters are yellowish, while the 82 series are bluish
in color.
(3) Color-compensating (CC) filters. CC filters come in hues of red,
green, blue, cyan, magenta, and yellow. They are used to make very subtle
tonal changes.
CC filters are often used in slide duplicating, printing,
and picture taking.
A very large selection of densities is available as
shown in figure 1-16.
For this reason, color-compensating filters are
available in inexpensive gelatin sheets.
1-26
SS0514
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