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Kodak Duplicating 2462/4462 Microfilm
Kodak Direct Duplicating 2468/3468/4468 Microfilm
Kodak Direct Duplicating Intermediate 2470 Microfilm
Kodak Duplicating, Direct Duplicating Microfilms and
Description
Positive Print Duplicating Microfilms are primarily
Kodak Duplicating Microfilms are silver-halide films
intended for creating multiple distribution copies of
designed for making high quality duplicates of original
camera film masters, and occasionally as intermediate
camera and other d
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Kodak Duplicating Microfilm — 2462/4462 Kodak silver-halide duplicating microfilms are available in three thicknesses as shown below: 2462 and 2468 Estar Used in normal 16, 35 & Base 4.0 mil 105 mm roll film applica- tions 3468 Estar Thin Base Used in 16 mm applications 2.5 mil for reduced loading fre- • Reverses image polarity (neg-to-pos or pos-to-neg) quency, reduced film stor- with conventional processing age requirements and maximum image capacity • Blue spectral sensitivity per roll
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The following “duplication tree” illustrates how the CN = Camera Negative various duplicating microfilms are used to produce the LC = Low Contrast desired contrast and image polarity of distribution MC = Medium Contrast copies. As an example, 3N is showing 3rd generation HC = High Contrast negative-appearing distribution copies. st 1 = 1 generation nd 2 = 2 generation rd 3 = 3 generation N = Negative polarity P = Positive polarity D = Distribution Physical properties Exposure The following ta
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Reciprocity data Exposure guidelines - x468 and 2470 For the Direct Duplicating Microfilms (x468 and 2470), Print density decreases with increased exposure and tungsten exposures from 100 to 0.001 seconds, and increases with added development for the direct processing in a Kodak Prostar Processor as duplicating microfilms. For intermediate duplicating recommended, reciprocity failure is negligible and no masters, generally the D-min in the master should be correction is normally needed. Simi
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Replenishment rates Before-process handling and storage Development/transport time and transport rates are set Handling to achieve desired photographic aims; replenishment Total safelight exposure, whether before or after image rate settings are determined by multiplying the exposure, should not exceed 30 minutes. For transport speed by the required replenishment rates for darkroom handling, x468 and 2470 Microfilms should the appropriate film width being used. use a Kodak 1 Safelight Fil
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ANSI ISO 18911 2000, Photography — Processed Characteristic curves Safety Photographic Films-Storage Practices, gives Kodak Duplicating Microfilm 2462/4462 appropriate conditions for extended term (permanent) Kodak Microfilm Developer and Replenisher (1:7), and long-term storage films. Information is also Kodak Prostar Processor, Diffuse Visual available in Kodak Publication D-31, Storage and Preservation of Microfilms. Extended term storage conditions require a temperature of less that 7
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Modulation transfer function curves Kodak Direct Duplicating Intermediate Microfilm 2470 Kodak Direct Duplicating Microfilm 2468/3468/4468 Kodak Duplicating Microfilm 2462/4462 Tungsten; Kodak Prostar Plus Developer, Tungsten; Kodak Prostar Plus Developer, Kodak Prostar Processors; Diffuse Visual Kodak Prostar Processors; Diffuse Visual Spatial Frequency (cycles/mm) Spatial Frequency (cycles/mm) 2470 x468 NOTE: While the data presented are typical of production coatings, they do not represent st
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Spectral sensitivity curves Kodak Direct Duplicating Intermediate Kodak Duplicating Microfilm 2462/4462 Effective Exp 1.4 sec; All recommended processes; Microfilm 2470 Diffuse Visual; D=1.0>D-min All recommended processes; D=1.0>D-min Wavelength (nm) Wavelength (nm) Kodak Direct Duplicating Microfilm 2468/3468/4468 Effective Exp 14 sec; All recommended processes; Diffuse Visual; D=1.0>D-min Wavelength (nm) NOTE: While the data presented are typical of production coatings, they do not repres
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Ordering information: Microfilms NOTE: Contact your Regional Sales Manager if you have any questions. Code Mil Format Spec Description No/Case CAT No. 2462 4 16 mm x 1000 ft 649 Type Z plastic core 10 833 2512 16 mm x 2000 ft 649 Type Z plastic core 10 843 8061 35 mm x 1000 ft 778 Type K plastic core 10 802 9720 35 mm x 2000 ft 778 Type K plastic core Pallet Pk 829 2716 35 mm x 2000 ft 778 Type K plastic core 5 819 3492 4462 7 105 mm x 500 ft 914 Paperboard core, no keyway 4 836 3301 105 mm x 50
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Ordering information: Chemicals Chemical CAT No. Working Strength Solutions Microfilm DEVELOPER and Replenisher — Concentrate at 1:7 yields 1 gal — 4/case 177 8869 32 gal 50 gal — 1 drum 190 1917 400 gal Microfilm FIXER and Replenisher — Concentrate at 1:3 yields 1 gal — 4/case 817 7222 16 gal 50 gal — 1 drum 190 1164 200 gal Kodak Prostar Processors Ready-to-use solution Prostar Plus Developer: 1 gal — 4/case 102 2490 4 gal Prostar Plus Fixer: 1 gal — 4/case 102 2656 4 gal Material Safety Data
