Tech tip1 min read
Suggested Target Layout on a Microfilm Roll
Suggested placement of resolution test targets and white density documents at the start and end of each microfilm roll.
For quality control of each microfilm roll, test targets and white reference documents are filmed at the start and end of the roll so that resolution and density can be evaluated across the whole roll.
Highlights
- Start of roll: resolution test targets, then three white documents for density measurement, then the actual documents
- End of roll: after the actual documents, three white documents for density, then resolution test targets
Source:Eastman Park Micrographics(epminc.com)(opens in a new tab)
Frequently asked questions
How should the targets and white documents be arranged at the start of a microfilm roll?
At the start of the roll, resolution test targets are filmed first, then three white documents for density measurement, and then the actual documents.
What is filmed at the end of a microfilm roll?
After the actual documents, three white documents for density are filmed, followed by the resolution test targets.
What is the purpose of placing the targets and white reference documents at the start and end of the roll?
The goal is to make the resolution and density of the entire roll evaluable.
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