Conversion filters for color films – Kodak ISBN 0-87985-749-8 User Manual
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Conversion Filters for Color Films
These filters are intended for use whenever s i g n i fic a n t
changes in the color temperature of the illumination are
re q u i red (for example, daylight to artificial light). The fil t e r
may be positioned between the light source and other ele-
ments of the system or over the camera lens in conven-
tional photographic re c o rding.
*These values are approximate. For critical work, check by accurate tests, especially
if you use more than one fil t e r .
Filter
Filter
Exposure Increase
Conversion
Color
Number
In Stops*
in Degrees K
80A
2
3200 to 5500
Blue
80B
1
2
/
3
3400 to 5500
80C
1
3800 to 5500
80D
1
/
3
4200 to 5500
85C
1
/
3
5500 to 3800
85
2
/
3
5500 to 3400
85N3
1
2
/
3
5500 to 3400
Amber
85N6
2
2
/
3
5500 to 3400
85N9
3
2
/
3
5500 to 3400
85B
2
/
3
5500 to 3200
85BN3
1
2
/
3
5500 to 3200
85BN6
2
2
/
3
5500 to 3200
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