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4 KODAK VISION2 250D Color Negative Film 5205 / 7205 • H-1-5205t
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.
3
Spectral Sensitivity Curves
These curves depict the sensitivity of this film to the
spectrum of light. They are useful for determining,
3.NOTE: Sensitometric and Diffuse RMS Granularity curves are
produced on different equipment. A slight variation in curve shape may
be noticed.
Process: ECN-2
0.03
0.10
0.004
0.003
0.001
0.01
0.0 1.0 2.0 3.0 4.0
LOG EXPOSURE (lux-seconds)
0.0
DENSITY
Granularity SIGMA D
1.0
2.0
3.0
H15205TC
Effective exposure:1/25 sec
Process: ECN-2
Densitometry: Status M
D=0.2>D-min
0.0
1.0
2.0
3.0
4.0
250
300 350 400 450 500 550 600 650 700 750
*Sensitivity = reciprocal of exposure (erg/cm ) required
to produce specified density
WAVELENGTH (nm)
2
LOG SENSITIVITY
*
Yellow-
Forming
Layer
Magenta-
Forming
Layer
Cyan-
Forming
Layer
H15205TD
modifying, and optimizing exposure for blue- and
green-screen special-effects work.
Spectral Dye Density Curves
These curves depict the spectral absorptions of the dyes
formed when the film is processed. They are useful for
adjusting or optimizing any device that scans or prints the
film.
Note: Cyan, Magenta, and Yellow Dye Curves are
peak-normalized.
NOTICE: The sensitometric curves and data in this
publication represent product tested 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 met by
Eastman Kodak Company. The company reserves the right
to change and improve product characteristics at any time.
Process: ECN-2
D-mins subtracted
-0.2
0.2
0.6
1.0
1.4
1.8
300 350 400 450 500 550 600 650 700 750 800
Minimum Density
Midscale Neutral
and D-min.
Typical densities for a midscale neutral subject
DIFFUSE SPECTRAL DENSITY
WAVELENGTH (nm)
H15205TE