EASTMAN DOUBLE-X Black & White Negative Film 5222 / 7222

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Contents

• Base
• Darkroom Recommendations
• Storage
• Exposure Index/DIN
• Exposure Table For Tungsten Light
• Reciprocity Characteristics
• Processing
• Identification
• Curves
• Printable Curves
• Available Roll Lengths

Base

This film has a gray acetate safety base.

Darkroom Recommendations

Handle unprocessed film in total darkness. If necessary, the film can be examined for a few seconds only after developing is 50 percent complete, using the following safelight combination: a 15-watt bulb and KODAK Safelight Filter No. 3 (dark green), no closer than 4 feet (1.2 meters) to the film.

Storage

Store unexposed film at 13 degrees C (55 degrees F) or below. Process exposed film promptly. Store processed film at 21 degrees C (70 degrees F) or lower at a relative humidity of 40 to 50 percent for normal commercial storage. For more information on long-term storage conditions, see KODAK Publications No. H-1, EASTMAN Professional Motion Picture Films, and No. H-23, The Book of Film Care.

Exposure Index/DIN

(For development to gamma of 0.65)
Daylight 250/25
Tungsten (3200 K) 200/24

Use these exposure indexes with incident- or reflected-light exposure meters and cameras marked for ISO or ASA speeds or exposure indexes. These indexes apply for meter readings of average subjects made from the camera position or for readings made from a gray card of 18-percent reflectance (such as one of the KODAK Gray Cards, KODAK Publication No. R-27) held close to and in front of the subject. For unusually light- or dark-colored subjects, decrease or increase the exposure indicated by the meter accordingly.

Exposure Table For Tungsten Light

At 24 frames per second (fps), 170 degree shutter opening:

*At 18 fps, use 3/4 of the foot-candles (fc) shown.

Filter Factors

~For use in bright sunlight to reduce the exposure without modifying color rendering or depth of field. This neutral density filter with a density of 0.9 reduces the exposure by 3 stops.

Reciprocity Characteristics

No filter or exposure adjustments are needed for exposure times from 1/10,000 to 1 second.

Processing

The following starting-point recommendations are for a typical continuous immersion processing machine. See KODAK Publication No.H-24.01, Manual for Processing EASTMAN Motion Picture Films, Module 1, for more information on solution formulas and procedures for machine processing.

Footnotes to Processing:
*Agitation in the developer and fixing bath should be by recirculation through submerged spray jets that impinge on the film strands.
~Develop to recommended control gamma of 0.65 to 0.70 calculated using Status M densitometry (blue).
**Fixer-laden water from wash tank, pH about 6.
~~Drying depends on many factors such as air temperature, humidity, volume and rate of air flow, flow distribution pattern, final squeegeeing, etc. In a typical motion-picture film drying cabinet with air at about 95 degrees F (35 degrees C) and 40- to 50-percent relative humidity (RH), satisfactory drying will require 15 to 20 minutes. Film leaving the drying cabinet when it has reached room temperature should be in equilibrium with room air at approximately 50-percent RH.

Identification

After processing, the product code numbers 5222 or 7222, emulsion and roll number identification, EASTMAN KEYKODE Numbers, and internal product symbol (E) are visible along the length of the film.

Curves

MTF

Characteristic

Spectral Sensitivity

Diffuse RMS Granularity

Printable Curves

Diffuse RMS Granularity* 14

*Read at a net diffuse visual density of 1.0, using a 48-micrometre aperture.
~Determined according to a method similar to the one described in ISO 6328-1982, Photography-Photographic Materials-Determination of ISO Resolving Power

Available Roll Lengths

For information on film roll lengths, check Kodak's Motion Picture Films for Professional Use price catalog or see a Kodak sales representative in your country.

©Eastman Kodak Company 1998