Preservation

Hard Copy Output Still Image Product Options

While the capture process for most original photograph, text-based and object/artifact original source material record types is file-based and results in digital products, there are limited options for hard copy outputs. The first is aerial photonegative prints. While digital capture specifications are established for aerial photo negatives and film positives, this workflow remains an analog-to-analog film duplication process at this time. The lab expects to transition to analog-to-digital workflow in the future. A second area is microfilm. Polyester-based silver gelatin microfilm is generated from digital preservation master files for text and cartographic collections captured in the Photographic Imaging, Microfilm and Textual Preservation Lab and then stored off-site in a climate controlled limited access vault. In addition, polyester-based silver gelatin microfilm copies are available for the Microfilm Publications beginning with the M, P. C or T prefix. Third, there is a very limited option to produce facsimile prints from digital files for specifically identified purposes only.

Currently, the digital distribution copy options are generally the same for all still images regardless of the format of the original source material.

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