Kodak 8806465 Datasheet download pdf (Page 5)

KODAK PROFESSIONAL PORTRA 400 Film • E-4050 5

CURVES

Characteristic Curves

Spectral-Sensitivity Curves

Exposure: Daylight

Densitometry: Status M

Log H Ref: -1.44

-4.0 -3.0 -2.0 -1.0 0.0 1.0

E4040C

0.0

DENSITY

1.0

2.0

3.0

4.0

LOG EXPOSURE (lux-seconds)

Effective Exposure: 1/50 Second

Exposure: Daylight

Densitometry: Status M

Density: 0.2>D-min

Magenta-

Forming

Layer

Cyan-

Forming

Layer

Yellow-

Forming

Layer

700 750650600550500450400350300250

*Sensitivity = reciprocal of exposure (erg/cm ) required

to produce specified density

WAVELENGTH (nm)

LOG SENSITIVITY

0.0

1.0

2.0

3.0

4.0

Spectral-Dye-Density Curves

Modulation Transfer Function

700

2.5

1.5

2.0

0.5

1.0

DIFFUSE SPECTRAL DENSITY

600

WAVELENGTH (nm)

400

0.0

500

Minimum Density

Midscale Neutral

and D-min.

Typical densities for a midscale neutral subject

Exposure: Daylight

Process: C-41

E4040P

1001 2 3 4 5 10 20 50 200 600

SPATIAL FREQUENCY (cycles/mm)

RESPONSE (%)

100

200

1 2 3 4 5 6

KODAK PROFESSIONAL PORTRA 1
400 Film 1
EXPOSURE 2
RETOUCHING 3
PROCESSING 3
JUDGING NEGATIVE EXPOSURES 3
PRINTING NEGATIVES 3
SCANNING NEGATIVES 4
IMAGE STRUCTURE 4
Characteristic Curves 5
Spectral-Sensitivity Curves 5
Spectral-Dye-Density Curves 5
Modulation Transfer Function 5
MORE INFORMATION 6

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Kodak 8806465 Datasheet Page 5

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