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KODAK PROFESSIONAL PORTRA 160NC, 160VC, 400NC, 400VC, 400UC, and 800 Films • E-190 15
Spectral-Sensitivity Curves
Layer
Forming
Cyan-
Layer
Forming
Magenta-
Layer
Forming
Yellow-
0.2>D-min
Density:
Densitometry:
Effective Exposure:
1/200 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 (erg/cm ) required
250 300 350 400 450 500 550 600 650 750700
F009_0510AC
Spectral-Dye-Density Curves
650600550500450
3.0
2.5
2.0
1.5
1.0
0.0
400
WAVELENGTH (nm)
DIFFUSE SPECTRAL DENSITY
0.5
3.5
700
Typical densities for a midscale neutral subject
and D-min.
Midscale Neutral
Minimum Density
F009_0511AC
Modulation Transfer Function
B
G
R
200
50
70
100
20
30
7
3
5
2
1
10
RESPONSE (%)
SPATIAL FREQUENCY (cycles/mm)
60020050201054321 100
Process:
Exposure:
Daylight
C-41