Tech tip · Document Archiving
Daily Planetary Camera Cleaning Procedure
Daily planetary camera cleaning of lamps, film unit, document board and lens with a damp lint-free cloth to prevent image loss.
1 min readEastman Park Micrographics
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Case studies, articles, technical tips and news about medical imaging.
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Tech tip · Document Archiving
EPM Tech Tip 089: Density Range for the Kodak Archive Writer
Why Archive Writer background density follows ANSI/AIIM MS 23 source document guidance rather than COM ranges, and the recommended values.
2 min readEastman Park Micrographics
Tech tip · Document Archiving
Minimum Microfilm Resolution Formula
Minimum acceptable microfilm resolution equals the camera's minimum lines/mm divided by its reduction ratio, for planetary and rotary cameras.
1 min readEastman Park Micrographics
Tech tip · Document Archiving
EPM Tech Tip 079: Cleaning and Maintaining a Densitometer
Key practices for keeping a lab densitometer accurate: leaving it powered on, weekly calibration and careful cleaning of the reflector and viewer.
1 min readEastman Park Micrographics
Tech tip · Document Archiving
Document and Photograph Preservation Dictionary
Plain-language glossary of common terms in the preservation and storage of photographs, microfilm and archival materials.
3 min readEastman Park Micrographics
Tech tip · Document Archiving
Using a Hydrometer to Control Processor Chemistry
How to measure developer and fixer specific gravity with a hydrometer in deep tank processors, with EPM target values and a recommended hydrometer.
1 min readEastman Park Micrographics
Tech tip · Document Archiving
EPM Tech Tip 066: Density, Contrast and the 1.00 Density Aim
Why 1.00 is the density aim for microfilm processors and cameras, with a review of the characteristic curve, contrast, density and exposure.
2 min readEastman Park Micrographics
Tech tip · Document Archiving
Why a Photographic Resolution Target Is Not Suitable for Scanning
Micrographic control targets are designed for photography, not scanning; scanning them causes digital aliasing, so use document scanning targets.
1 min readEastman Park Micrographics
Tech tip · Document Archiving
Things to Know About Microfilm Resolution
What microfilm resolution means, how it is read under ANSI/AIIM MS23, what affects it and how much loss is acceptable per generation.
1 min readEastman Park Micrographics
Tech tip · Document Archiving
Methylene Blue Test for Residual Thiosulfate
The Methylene Blue test measures residual thiosulfate to confirm microfilm is properly washed and meets life expectancy standards.
1 min readEastman Park Micrographics
Tech tip · Document Archiving
Tools and Procedures for Cleaning Imaging Equipment Optics
Clean imaging equipment optics with a lint-free cloth slightly dampened with water; tools and supplies for capture devices and duplicators.
1 min readEastman Park Micrographics
Tech tip · Document Archiving
Film Processing Lab Decommissioning Procedure
Standard procedure for removing chemicals, equipment and contaminated materials from a film processing lab, including silver recovery and safety.
2 min readEastman Park Micrographics