ASTM F 2469 : 2020
Current
The latest, up-to-date edition.
Standard Test Method for Measuring Optical Angular Deviation of Transparent Parts Using the Double-Exposure Method
Hardcopy , PDF
English
01-05-2020
1.1This test method covers the measurement of the optical angular deviation of a light ray imposed by flat transparent parts such as a commercial or military aircraft windshield, canopy, or cabin window.
1.2The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.2.1Exceptions—The values given in parentheses are for information only. Also, print size is provided in inch-pound measurements.
1.3This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.4This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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