ETERNA 250D

Overview

Natural color reproduction on location, outdoors, in mixed light...

ETERNA 250D delivers ample sensitivity, super shadow quality and extremely natural facial tones.
Facilitates telecine transfer and digital image processing.

Specifications

Spectral density curves
[fig.]Spectral density curves
Characteristic curves
[fig.]Characteristic curves

In order to simulate conditions closest to practical use, exposure was made under a 5400K light source, through a Fuji SC-41 ultraviolet absorbing filter. Processing was carried out under standard conditions and the three color densities were measured, producing the results indicated in the graph above.

Contrast transfer function*
[fig.]Contrast transfer function

*Spatial frequency attenuation characteristic of amplitude relative to rectangular wave chart.
(Data is normalized for amplitude of zero frequency.)

Spectral sensitivity curves
[fig.]Spectral sensitivity curves

Processing : Specified standard conditions
Densitometry : Arbitrary three color densities
Density : 0.40 above minimum density
Sensitivity : Reciprocal of exposure (ergs/cm²) required to produce specified density

RMS granularity

3.5 (1,000 times the data obtained from measurement taken at a visual diffuse density of 1.0 above minimum density, using a 48µm diameter aperture)

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