BS EN 2547:1989 - Specification for filming of documents. Microfilm 105 mm (Microfiche A6)
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BS EN 2547:1989 is a British Standard titled "Specification for filming of documents. Microfilm 105 mm (Microfiche A6)." This standard provides specifications for the filming of documents using microfilm with dimensions of 105 mm, commonly referred to as Microfiche A6.
Microfiche is a type of microform used for the storage and archiving of documents, where images of documents are captured on a single sheet of film, usually in reduced size. Microfiche A6 specifically refers to microfiche with dimensions of 105 mm × 148 mm, which is roughly the size of a standard postcard.
BS EN 2547:1989 likely covers various aspects of microfilming documents using Microfiche A6, including:
Film Specifications: Specifications for the type, size, and characteristics of the microfilm to be used, including base material, emulsion type, thickness, and sensitivity.
Image Quality: Requirements for image resolution, contrast, and legibility to ensure that the filmed documents are clear and readable.
Filming Procedures: Guidelines and procedures for the filming process, including the handling of documents, exposure settings, and film processing.
Indexing and Retrieval: Recommendations for indexing or cataloging filmed documents to facilitate retrieval and access.
Storage and Handling: Recommendations for the storage, handling, and preservation of microfiche to ensure its long-term durability and accessibility.
Quality Control: Procedures for quality control and assurance to verify that filmed documents meet the specified requirements.
