Kodak 7239 manual Description, Base Color Balance, Darkroom Recommendations, Storage

TECHNICAL DATA / COLOR REVERSAL FILM

February 1999 · H-1-5239

EASTMAN EKTACHROME Film (Daylight) 7239™

H-1-5247

August 1996

DESCRIPTION

EASTMAN EKTACHROME Film 7239 (Daylight) is a high-speed color reversal film intended for photography under low-level daylight illumination. Among its many applications are news photography, sporting events, and high-speed photography. The processed original camera film is ready for projection; because it is balanced for projection at 5400 K, it is suitable for television broadcasting.

You can expose this film at effective film speeds ranging from 1¤2 to 2 times the normal exposure indexes with little loss in quality. For emergency situations when some loss in quality is acceptable, increase the normal exposure index by the equivalent of 2 to 3 stops. When you expose the film at other than the normal exposure index, tell the processing laboratory so they can adjust the processing.

The processed camera original on EASTMAN EKTACHROME Film (Daylight) is meant for direct projection; however, you can make color duplicates on EASTMAN EKTACHROME Print Film 7399ä.

BASE

COLOR BALANCE

This film is balanced for daylight exposure. For other light sources, use the correction filters in the table below.

Light Source	KODAK Filters	Exposure
	on Camera*	Index/DIN
Daylight (5500 K)	None	160/23
Tungsten (3000 K)	WRATTEN Gelatin No. 80A	40/17
Tungsten lamps	WRATTEN Gelatin No. 80A	40/17
(3200 K)
Tungsten photoflood	WRATTEN Gelatin No. 80B	50/18
(3400 K)
Metal halide H.M.I.	None	160/23
White-flame arcs	None	160/23
Yellow-flame arcs	WRATTEN Gelatin No. 80A	40/17
Optima 32	WRATTEN Gelatin No. 80A	40/17
Vitalite	None	160/23
Fluorescent Cool	Color Compensating 30M	100/21
White†
Fluorescent Deluxe	Color Compensating 20B	100/21
Cool White†

This film has a clear acetate safety base.

DARKROOM RECOMMENDATIONS

*These are approximate corrections only. Make final corrections during printing.

†These are starting-point recommendations for trial exposures. When you don’t know the type of fluorescent lamps, use a CC20M filter with an exposure index of 100/21.

Handle unprocessed film in total darkness until after the stop bath following first development. You can do the remaining operations in a normally lighted room. Use a safelight with a KODAK Safelight Filter No. 3 / dark green to illuminate dials, meters, etc, during first development; do not shine the light directly on the film.

STORAGE

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

Note: Consult the manufacturer of high-intensity ultraviolet lamps for safety information on ultraviolet radiation and ozone generation.

EXPOSURE INDEX/DIN

Daylight— 160/23

Tungsten* (3200 K)— 40/17

Use these 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 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.

*With a KODAK WRATTEN Gelatin Filter No. 85B.

©Eastman Kodak Company, 1998