Why you should preserve documents on 35mm microfilm instead of 16mm microfilm
There are several options for choosing the type of microfilm and layout to use when preserving digital documents.
The three options for microfilm are the following:16mm archival microfilm 100’ length 16mm archival microfilm Thin Based 215’ length 35mm archival microfilm 100’ length
16mm microfilm is best used in a simplex format for documents up to 15” tall and filmed at a reduction ration of 24x. Duplex formats are not recommended for document preservation because the reduction ration would have to be 40x or more. Reduction ratios higher than 32x are generally not recommended since the resolution of the documents will be lower when viewing, scanning or printing back at full size.… View Full Post