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KODAK PROFESSIONAL PORTRA 160NC, 160VC, 400NC, 400VC, 400UC, and 800 Films • E-190 13
KODAK PROFESSIONAL PORTRA 400UC Film
Characteristic Curves, EI 400
Characteristic Curves, EI 800 (Push 1)
3.0 1.0
R
G
B
Status M
Daylight
C-41
Process:
Exposure:
Densitometry:
0.01.0
4.0
3.0
2.0
1.0
DEN
S
ITY
2.0
0.0
4.0
LOG EXPOSURE (lux-seconds)
3.0 1.
0
R
G
B
Status M
Daylight
C-41, Push1
Process:
Exposure:
Densitometry:
0.01.0
4.0
3.0
2.0
1.0
DEN
S
ITY
2.0
0.0
4.0
LOG EXPOSURE
(
lux-seconds
)
Spectral-Sensitivity Curves
Spectral-Dye-Density Curves
Modulation Transfer Function
Layer
Forming
Cyan-
Layer
Forming
Magenta-
Layer
Forming
Yellow-
0.2 > D-min
Density:
C-41
Densitometry:
Effective Exposure:
Process:
1/50 Second
Status M
4.0
3.0
2.0
1.0
*
0.0
LOG SENSITIVITY
2
WAVELENGTH (nm)
to produce specified densit
y
*Sensitivity = reciprocal of exposure (erg/cm ) required
350 400 450 500 550 600 650 750700
750
C-41
Midscale Neutral
3.0
2.5
2.0
Process:
and D-min.
1.5
1.0
0.5
Minimum Density
650550
WAVELENGTH
(
nm
)
450350
0.0
DIFFU
S
E
S
PE
C
TRAL DEN
S
ITY
Typical densities for a midscale neutral subject
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)
60020050201054321 100
Process:
Exposure:
C-41
Daylight