Kodak D-32 - Manual
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Table of Contents:
- Page 3 – generation; generation; Physical properties; *Recommended processes; Microfilm
- Page 4 – Processing Information; † Starting points and mixed formats.; Kodak Prostar
- Page 5 – Replenishment rates; Before-process handling and storage
- Page 6 – Image structure; Resolving power: Based on recommended process.; Characteristic curves; NOTE: While the data presented are typical of production; Film; Kodak Prostar Processor, Diffuse Visual; Density; Kodak Direct Duplicating Intermediate; nsity
- Page 7 – Modulation transfer function curves; Modulation transfer function; Kodak Direct Duplicating Intermediate Microfilm 2470; Res; Aperture Value; less than 5
- Page 8 – Spectral sensitivity curves; Kodak Direct Duplicating
- Page 9 – Ordering information: Microfilms; Code
- Page 10 – Ordering information: Chemicals; Eastman Kodak Company; Chemical; Kodak Prostar Processors
D-32
Kodak Duplicating 2462/4462 Microfilm
Kodak Direct Duplicating 2468/3468/4468 Microfilm
Kodak Direct Duplicating Intermediate 2470 Microfilm
Description
Kodak Duplicating Microfilms are silver-halide films
designed for making high quality duplicates of original
camera and other duplicate microfilms. Depending on
the film type used, these films can either maintain or
reverse image polarity. These duplicating microfilms
can be used in a variety of manufacturer’s silver
duplicators. Kodak Duplicating Microfilms are fine
grain, high resolution microfilms with the exposure and
development latitude to duplicate/enhance varying
quality originals.
Product applications
Eastman Kodak Company produces a family of
duplicating films (2462, 4462), a family of direct
duplicating microfilms (2468, 3468, 4468) and one
direct duplicating intermediate microfilm (2470). They
all require conventional processing. Direct duplicating
films maintain image polarity between generations.
Duplicating microfilm reverses polarity.
Kodak Duplicating, Direct Duplicating Microfilms and
Positive Print Duplicating Microfilms are primarily
intended for creating multiple distribution copies of
camera film masters, and occasionally as intermediate
print film masters, when creating large quantities of
duplicates such that the original camera film is not at
risk of damage. The Kodak Direct Duplicating
Intermediate Microfilm is typically used as an
intermediate print master but may also be used as a
distribution copy. All duplicating microfilms use a
“contact-printing” method, such that the master and
duplicate are brought into intimate contact during
exposure. A description of each follows.
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Summary
3 D-32 The following “duplication tree” illustrates how the various duplicating microfilms are used to produce the desired contrast and image polarity of distribution copies. As an example, 3N is showing 3rd generation negative-appearing distribution copies. CN = Camera NegativeLC = Low ContrastMC =...
4 D-32 Reciprocity data For the Direct Duplicating Microfilms (x468 and 2470), tungsten exposures from 100 to 0.001 seconds, and processing in a Kodak Prostar Processor as recommended, reciprocity failure is negligible and no correction is normally needed. Similar results are expected with other rec...
5 D-32 Replenishment rates Development/transport time and transport rates are set to achieve desired photographic aims; replenishment rate settings are determined by multiplying the transport speed by the required replenishment rates for the appropriate film width being used. Use the chart and formu...
