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Kodak P-255 - page 1
©Eastman Kodak Company, 2 000 June 2003 • P-255 TECHNICAL DATA / BLACK-AND-WHITE FILM K OD AK PR OFESSIONAL T echnical Pa n F i l m K OD AK PR OFESSION AL T echnical Pan Film is K odak’ s slo west and finest-grained black -and-white film for pictorial photography (when dev eloped in KOD AK TECHNIDOL Liquid Dev eloper). It is a v ariable-contra ...
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Kodak P-255 - page 2
2 KODAK PROFESSIONAL Technical Pan Film • P-255 SPECTRAL SENSITIVITY T echnical Pan Film has reas onably uniform spectral sensitivity at all visible wav elengths out to 690 nanometres (nm). Because of this extended red sensitivity , red areas and flesh tones may appear lighter than the y would with con ventional black-and-white films. This is oft ...
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Kodak P-255 - page 3
P-255 • P-255 3 Adjustments f or Long and Short Exposures Compensate for the reciprocity ch aracteristics of this f ilm by increasing exposure and adjusting the dev elopment as sho wn. If Indicated Exposure Time Is (seconds) Use This Lens- Aperture Adjustment OR This Adjusted Exposure Time (seconds) AND Use This Development Adjustment 1/10,000 No ...
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Kodak P-255 - page 4
4 KODAK PROFESSIONAL Technical Pan Film • P-255 SPECIFIC APPLICA TIONS Pictorial Photograph y These films produce high-quality pictorial negatives when processed in KOD AK TECHNIDO L Liquid Developer . (See “PR OCESSING. ”) Con ventional de v elopers generally produce contrast too high for normal pictorial pho tography . Process the f ilm acc ...
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Kodak P-255 - page 5
KODAK PROFESSIONAL Technical Pan Film • P-255 5 Photomicro graphy The lo w contrast of most micr oscopic subjects often requires a contrast-enhancing film-and-de v eloper combination and (with stained specimens) a contrast-enhancing filter . For routine photomi crography of H and E-st ained tissue, try a broad-band yellow-green f ilter (e.g., a K ...
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Kodak P-255 - page 6
6 KODAK PROFESSIONAL Technical Pan Film • P-255 PR OCESSING Handle unprocessed film in total darkness. After dev elopment is half complete, you can use a suitable a safelight lamp equipped with a KOD AK 3 Safelight Filter (dark green) and a 15-watt b ulb for a fe w seconds. K eep the safelight at least 4 feet (1 .2 metres) from the film. When you ...
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Kodak P-255 - page 7
KODAK PROFESSIONAL Technical Pan Film • P-255 7 Final Steps in T ank Processing— 68 to 86°F (20 to 30°C) Note: Keep the rinse and fix temperatures within 3°F (1.7°C) of the developer tem perature, and the wash temperature within 5°F (3°C) of the developer temperature. Rinse the film in K OD AK Indicator Stop Bath or K OD AK EKT AFLO Stop ...
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Kodak P-255 - page 8
8 KODAK PROFESSIONAL Technical Pan Film • P-255 Final Steps in T ray Pr ocessing— 65 to 70°F (18 to 21°C) Rinse the f ilm at 65 to 70°F (18 to 21°C) in K OD AK Indicator Stop Bath or K OD AK EKT AFLO Stop Bath for 15 to 30 seconds. Use running water for 30 seconds if no stop bath is av ailable. Put the first sheet int o the st op bath and a ...
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Kodak P-255 - page 9
KODAK PROFESSIONAL Technical Pan Film • P-255 9 K OD AK DURAFLO R T Dev eloper Replenisher K OD AK DURAFLO R T Dev eloper Starter K OD AK Rapid Fixer Processing Sequence PRINTING The 0.1 neutral densit y built into the EST AR- AH Base is one-half to one-third that found in conv entional 35 mm picture-taking films. Correctly exposed and processed ...
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Kodak P-255 - page 10
10 KODAK PROFESSIONAL Technical Pan Film • P-255 Characterist ic Curves 2.50 Contrast Index: 200 Exposure Index: agitation at 30-second intervals Tungsten, 1/25 second Small tank, KODAK DEKTOL Exposure: Process: Developer, 3 minutes at 68 F (20 C), LOG EXPOSURE (lux-seconds) 3.0 0.0 2.0 DENSITY 1.0 2.0 3.0 4.0 1.0 0.0 1.0 F002_0188AC =3.60 2 min ...
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Kodak P-255 - page 11
KODAK PROFESSIONAL Technical Pan Film • P-255 11 0.58 0.64 0.48 0.70 Index Contrast 25 20 16 25 Exposure Index 11 9 7 5 Time (min) Developing 5 min =0.50 11 min =0.70 7 min =0.60 9 min =0.65 Process: Exposure: Developer 5, 7, 9, and 11 minutes at Small tank, KODAK TECHNIDOL Liquid Daylight, 1/25 second 68 F (20 C), agitation at 30-second interval ...
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Kodak P-255 - page 12
Minor Revis i o n 6- 03 Printed in U.S.A. KODAK PROFESSIONAL T echnical Pan Film KODAK Publication No. P-255 CAT 817 2785 QUICK REFERENCE GUID E T O DEVELOPERS MORE INFORMA TION K odak has many publications to assist you with information on Kodak products, equipment, and materials. Additional information is availa ble on th e Kodak websi te and thr ...
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