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4 KODAK VISION2 HD Color Scan Film 7299 • H-1-7299t
CURVES
Sensitometric Curves
The curves describe this film's response to red, green, and
blue light. Sensitometric curves determine the change in
density on the film for a given change in log exposure.
1
Modulation-Transfer Function Curves
This graph shows a measure of the visual sharpness of this
film. The x-axis, "Spatial Frequency," refers to the number
of sine waves per millimeter that can be resolved. The y-axis,
"Response," corresponds to film sharpness. The longer and
flatter the line, the more sine waves per millimeter that can
be resolved with a high degree of sharpness—and, the
sharper the film.
Exposure: 3200 K Tungsten 1/50 sec
Process: ECN-2; Status M
0.0
1.0
2.0
3.0
-8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9
Camera Stops
-1.8 -1.2
-0.6
0-2.4-3.0-3.6
R
G
B
Log Exposure (lux seconds)
Exposure: Tungsten 3200 K;
Process: ECN-2
1 10 100 1000
10
1
100
1000
SPATIAL FREQUENCY (cycles/mm)
RESPONSE (%)
R
G
B
Diffuse rms Granularity Curves
To find the rms Granularity value for a given density, find
the density on the left vertical scale and follow horizontally
to the characteristic curve and then go vertically (up or
down) to the granularity curve. At that point, follow
horizontally to the Granularity Sigma D scale on the right.
Read the number and multiply by 1000 for the rms value.
Note: This curve represents granularity based on modified
measuring techniques.
1
1.NOTE: Sensitometric and Diffuse RMS Granularity
curves are produced on different equipment. A slight
variation in curve shape may be noticed.
Process ECN-2
0.006
0.01
0.001
0.002
0.003
0.004
0.005
0.10
0.05
0.04
0.03
0.02
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
2.6
2.8
3.0
0.0 1.0 2.0 3.0 4.0 5.0
GRANULARITY SIGMA D
R
G
B
R
G
B
DENSITY
LOG RELATIVE EXPOSURE
TI2636C