Monthly Archives: July 2013

Negative Deterioration Part Two: Cellulose Acetate Negative Conservation

Vinegar syndrome, or the process of  cellulose acetate deterioration, is an unavoidable issue for any collection of acetate negatives, either presently or in future decades.  Before deterioration occurs or early in the deterioration process, preventative measures can be taken to … Continue reading

Posted in Acetate Deterioration, Acetate Film Conservation, Acetate Film Restoration, Archival Digitization, Archival Film Output, Collection Services, Negative Scanning, Uncategorized | Tagged , , , , , , , , , , , , , | Leave a comment

Negative Deterioration Part One: Digitization and Preservation of Cellulose Nitrate and Cellulose Acetate Negatives

Before polyester film became readily available in the 1950’s, all flexible film negatives were made on some form of cellulose nitrate or cellulose acetate support.  Both of these film bases have deterioration issues, and in the case of nitrate negatives, … Continue reading

Posted in 35mm Duplication, Acetate Deterioration, Archival Digitization, Archival Film Output, Collection Services, Digital Imaging, Digital Negatives, Negative Scanning | Tagged , , , , , , , , , , , | Leave a comment