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KODAK EKTACHROME 100D Color Reversal Film 5285 / 7285

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KODAK EKTACHROME 100D Color Reversal Film 5285 / 7285 KODAK EKTACHROME 100D Color Reversal Film 5285 / 7285 TECHNICAL DATA / COLOR REVERSAL FILM February 2010 • H-1-5285 KODAK EKTACHROME 100D Color Reversal Film 5285 / EXPOSURE INDEXES 7285 is a 100-speed, high-color reversal motion picture Daylight (5500K): 100 camera film intended for photography under daylight Tungsten (3200K): 25 (with 80A filter) illumination (5500K). It offers strikingly saturated color Use these indexes with incident- or reflected-light performance while maintaining a neutral gray scale and exposure meters and cameras marked for ISO or ASA accurate flesh reproduction. speeds or exposure indexes. These indexes apply for 5285/7285 Film has exceptional sharpness that is meter readings of average subjects made from the camera unsurpassed by any other 100-speed reversal film, and its position or for readings made from a gray card of grain performance is excellent. This film also offers very 18-percent reflectance held close to and in front of the strong reciprocity uniformity and keeping stability. subject. For unusually light- or dark-colored subjects, This film offers outstanding results in outdoor and decrease or increase the exposure indicated by the meter studio applications where strong color saturation is accordingly. desired. It is excellent for advertising, nature cinematography, documentaries, music videos, and is Super 8 Exposure especially good for telecine transfers and television Some older cameras may automatically set the exposure to filming. ISO 160. In many situations, results at an ISO 160 exposure 5285 Film is available in 35mm formats. 7285 Film is setting (approximately 1⁄2 stop underexposed) would still available in several 16mm formats, as well as Super 8 50-ft be acceptable. cartridges. It is believed that the majority of S8 cameras manufactured prior to 1970 came with a fixed film BASE exposure setting of ISO 40. At an ISO 40 exposure setting Acetate safety base. (approximately 1 1⁄4 stop overexposed), this film would require either the use of a neutral density filter (approximatel 0.3 ND) or Process E-6 "Pull Processing" to STORAGE compensate for the overexposure. Prior to exposing the Store unexposed film at 13° C (55° F) or lower. For film at an ISO 40 setting, verify with your processing extended storage, store at -18° C (0° F) or lower. Process laboratory that they offer the appropriate Process E-6 "Pull exposed film promptly. Store processed film according to Process." the recommendations in NAPM IT9.11-1992: for medium-term storage (minimum of ten years), store at DARKROOM RECOMMENDATIONS 10° C (50° F) or lower at a relative humidity of 20 to 30 percent; for extended-term storage (for preservation of Do not use a safelight. Handle unprocessed film in total material having permanent value), store at 2° C (35° F) or darkness. lower at a relative humidity of 20 to 30 percent. For active use, store at 25° C (77° F) or lower, at a relative humidity of EXPOSURE TABLE - DAYLIGHT 50 +/- 5 percent. This relates to optimized film handling ILLUMINATION rather than preservation; static, dust-attraction and curl-related problems are generally minimized at the At 24 frames per second (fps), 170-degree shutter higher relative humidity. After usage, the film should be opening: returned to the appropriate medium- or extended-term Lens f/1.4 f/2 f/2.8 f/4 f/5.6 f/8 f/11 storage condition as soon as possible. Aperture For more information about medium- and Footcandles 25 50 100 200 400 800 1600 extended-term storage, see NAPM IT9.11-1998, SMPTE Required RP131-2002, and KODAK Publications No. H-1, KODAK Motion Picture Films and No. H-23, The Book of Film Care. RECIPROCITY CHARACTERISTICS You do not need to make any filter corrections or exposure adjustments for exposure times from 1/10,000 to 1 second. ©Eastman Kodak Company, 2010 COLOR BALANCE PROCESSING This film is balanced for exposure with daylight Process this film in KODAK Chemicals, Process E-6, cine illumination (5500K). For other light sources, use the machine only. correction filters in the table below. Note: KODAK EKTACHROME 100D Color Reversal Film 5285 / 7285 contains special sensitizing and filter dyes Light Source KODAK Filters on Camera* Exposure Index that improve color reproduction. Because these dyes are designed to rinse out of the film during processing, they Daylight (5500 K) None 100 will change the color of the first developer, the reversal Tungsten (3000 K) WRATTEN Gelatin No. 80A 25 bath, the final wash, and the final rinse. This solution Tungsten (3200 K) WRATTEN Gelatin No. 80A 25 discoloration is only cosmetic. It will not affect Fluorescent, Cool Color Compensating Filter 80 sensitometry or the quality of any Process E-6 film or White CC20M control material. However, the solutions will cause Fluorescent, Deluxe WRATTEN Gelatin No. 82C 80 splicing tape and processing equipment (rollers, racks, Cool White etc.) to have a pinkish color. The pink dye residue can Metal Halide (H.M.I.) None 100 easily be washed off processing equipment by following * These are approximate corrections only. normal maintenance procedures. Note: Consult the manufacturer of high-intensity ultraviolet lamps for safety information on ultraviolet IDENTIFICATION radiation and ozone generation. After processing, the product code numbers (5285 or Color Balance and Filtration with Older S8 Cameras 7285) , emulsion and roll number identification, KEYKODE Many cameras utilize an internal conversion filter to numbers, and internal product symbol (EA) are visible convert daylight illumination into a tungsten balance. This along the length of the film. amber-colored filter is be placed into the optical path when the manual selector is placed on the sun setting (the sun icon). With the daylight balanced 100D Film, it will be necessary to disengage this filter. Although it may sound counter-intuitive, this is accomplished by setting the manual exposure setting to the tungsten setting (the bulb icon), no matter what conditions you are shooting under. If you will be using 100D Film under tungsten illumination, we recommend the use of an 80A external filter. Consult the camera manufacturer's manual for specific information on your camera's operation. 2 KODAK EKTACHROME 100D Color Reversal Film 5285 / 7285 • H-1-5285 FILM-TO-TAPE TRANSFERS CURVES When you transfer the film directly to video, you can set up Characteristic Curves the telecine using the KODAK EKTACHROME Telecine Analysis Film (TAF) supplied by Eastman Kodak Company. The TAF consists of a neutral density scale and an eight-bar color test pattern with a LAD gray surround. The TAF gray scale provides the telecine operator 4.0 B Exposure: Daylight, 1/100 second (colorist) with an effective way to adjust subcarrier G Process: E-6 balance and to center the telecine controls before timing R 3.0 Densitometry: Status A and transferring a film. The TAF color bars provide the utility of electronic color bars, even though they do not precisely match the electronically generated color bars. 2.0 Using the TAF will help obtain optimum quality and consistency in the film-to-video transfer. For more DENSITY (Status A) information regarding TAF, see KODAK Publication No. 1.0 H-822, KODAK Telecine Analysis Film User's Guide. 0.0 IMAGE STRUCTURE 8 6 4 2 N 2 4 6 8 The modulation-transfer and diffuse rms granularity CAMERA STOPS curves were generated from samples of 5285 Film exposed F002_1044AC with daylight illumination and processed as recommended in Process E-6 chemicals. For more information on image-structure characteristics, see KODAK Publication Modulation Transfer Function Curves No. H-845, The Essential Reference Guide for Filmmakers, available online at http://motion.kodak.com/US/en/ 200 motion/Support/Technical_Information/ Essential_reference_guide/index.htm. 100 70 50 Modulation Transfer Function B 30 The "perceived" sharpness of any film depends on various G components of the motion picture production system. The 20 camera and projector lenses and film printers, among other R factors, all play a role. But the specific sharpness of a film 10 7 can be measured and is charted in the Modulation Transfer 5 Function Curve. RESPONSE (%) 3 rms Granularity 2 The "perception" of the graininess of any film is highly 1 dependent on scene content, complexity, color, and 1 2 3 4 5 10 20 50100 200 600 density. Other factors, such as film age, processing, SPATIAL FREQUENCY (cycles/mm) exposure conditions, and telecine transfer may also have significant effects. F002_1043AC MTF curve - This graph shows a measure of the visual sharpness of the film. The x-axis, "Spatial Frequency", refers to the number of sine waves per millimetre that can be resolved. The y-axis, "Response", corresponds to film sharpness. The longer and flatter the line, the more the film can resolve, and therefore, the sharper the film. KODAK EKTACHROME 100D Color Reversal Film 5285 / 7285 • H-1-5285 3 Diffuse rms Granularity Curves Spectral Dye Density Curves 4.0 Process: E-6 1.5 B G Process: E-6 R 3.0 Visual Neutral 1.0 2.0 .100 Yellow Cyan B Magenta R .050 .030 DENSITY (Status A) G 0.5 .020 GRANULARITY SIGMA D 1.0 .010 DIFFUSE SPECTRAL DENSITY .006 .003 .002 0.0 0.0 .001 3.02.0 1.0 0.0 400 450 500 550 600 650 700 WAVELENGTH (nm) F002_1047AC LOG EXPOSURE (lux-seconds) F002_1046AC To find the rms Granularity value for a given density, find These curves depict the spectral absorptions of the dyes the density on the left vertical scale and follow horizontally formed when the film is processed. They are useful for to the characteristic curve and then go vertically (up or adjusting or optimizing any device that scans or prints the down) to the granularity curve.
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