ASTM F 801 Standard Test Method for Measuring Optical Angular Deviation of Transparent Parts

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ASTM F 801 Document Information:

Title
Standard Test Method for Measuring Optical Angular Deviation of Transparent Parts

ASTM International

Publication Date:
Nov 10, 1996

Scope:

This test method covers measuring the angular deviation of a light ray imposed by transparent parts such as aircraft windscreens and canopies. The results are uncontaminated by the effects of lateral displacement, and the procedure may be performed in a relatively short optical path length. This is not intended as a referee standard. It is one convenient method for measuring angular deviations through transparent windows.

This 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 and health practices and determine the applicability of regulatory limitations prior to use.

Keywords:

aiming accuracy

aiming error

angular deviation

deviation

refraction

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