ISO 9767:1990 PDF
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Photography — Overhead projectors — Methods for measuring and reporting performance characteristics
Specifies methods of measurement for light output, uniformity of screen illumination, picture outline distortion, maximum available projection elevation and temperature rise on the projection stages of overhead projectors. Includes a form of reporting the results of the measurements.
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| Edition | 1990 |
|---|---|
| Published Date | 1990 |
| Published By | International Standardization Organisation |
| Page Count | 6 |
