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KODAK ROYAL GOLD 25 Film • E-40 3
CURVES
Characteristic Curves
LOG EXPOSURE (lux-seconds)
0.0
2.0
DENSITY
1.0
2.0
3.0
4.0
1.0
0.0
Status M
C-41
Daylight 1/100 second
Densitometry:
Exposure:
Process:
R
G
B
1.0 2.0
F002_0539AC
Spectral-Sensitivity Curves
F002_0540AC
Status M
C-41
1/50 second
Densitometry:
Effective Exposure:
Process:
Density:
0.2 above D-min
Yellow-
Forming
Layer
Layer
Forming
Cyan-
Layer
Forming
Magenta-
2.0
750700
2
600 650450 500400350
to produce specified density
WAVELENGTH (nm)
550
0.0
1.0
*
2.0
300250
LOG SENSITIVITY
*Sensitivity = reciprocal of exposure (ergs/cm ) required
1.0
Spectral-Dye-Density Curves
met by Eastman Kodak Company. The company reserves the right to change and
under the conditions of exposure and processing specified. They are representative of
production coatings, and therefore do not apply directly to a particular box or roll of
photographic material. They do not represent standards or specifications that must be
improve product characteristics at any time.
NOTICE: The sensitometric curves and data in this publication represent product tested
F002_0541AC
500
0.0
400
WAVELENGTH (nm)
600
DIFFUSE SPECTRAL DENSITY
1.0
0.5
2.0
1.5
2.5
700
C-41
Typical densities for a midscale neutral subject
Process:
and D-min.
Midscale Neutral
Minimum Density