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10 KODAK PROFESSIONAL PORTRA 160NC, 160VC, 400NC, 400VC, 400UC, and 800 Films • E-190
KODAK PROFESSIONAL PORTRA 160VC Film
Characteristic Curves
Spectral-Sensitivity Curves
F009_0154AC
1.0
R
G
B
Status M
C-41
Process:
Densitometry:
0.01.0
4.0
3.0
2.0
1.0
DENSITY
2.0
0.0
3.0
LOG EXPOSURE (lux-seconds)
4.0
F009_0180AC
Layer
Forming
Cyan-
Layer
Forming
Magenta-
Layer
Forming
Yellow-
0.2 above D-min
Density:
C-41
Densitometry:
Effective Exposure:
Process:
1/25 second
Status M
4.0
3.0
2.0
1.0
*
0.0
LOG SENSITIVITY
2
WAVELENGTH (nm)
to produce specified density
*Sensitivity = reciprocal of exposure (ergs/cm ) required
250 300 350 400 450 500 550 600 650 750700
Spectral-Dye-Density Curves
Modulation Transfer Function
F009_0186AC
500
0.0
400
WAVELENGTH (nm)
600
DIFFUSE SPECTRAL DENSITY
1.0
0.5
2.0
1.5
2.5
700
Typical densities for a midscale neutral subject
and D-min.
C-41
Process:
Midscale Neutral
Minimum Density
B
G
R
200
50
70
100
20
30
7
3
5
2
1
10
RE
S
P
O
N
S
E (%)
SPATIAL FREQUENCY (c
y
cles/mm)
60
0
20050201054321 100
C-41
Process:
Exposure:
Daylight