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ASTM International - ASTM F1165-98

Standard Test Method for Measuring Angular Displacement of Multiple Images in Transparent Parts

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Organization: ASTM International
Publication Date: 1 January 1988
Status: inactive
Page Count: 4
ICS Code (Optics and optical measurements in general): 17.180.01
scope:

1.1 This test method covers measuring the angular separation of secondary images from their respective primary images as viewed from the design eye position of an aircraft transparency. Angular separation is measured at 49 points within a 20 by 20° field of view. This procedure may be performed on any aircraft transparency in a laboratory or in the field. However, the procedure is limited to a dark environment. Laboratory measurements are done in a darkened room and field measurements are done at night.

1.2 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety problems 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.

1.3 The values stated in acceptable metric units are to be regarded as the standard. The values in parentheses are for information only.

Document History

May 1, 2020
Standard Test Method for Measuring Angular Displacement of Multiple Images in Transparent Parts
1.1 This test method covers measuring the angular separation of secondary images from their respective primary images as viewed from the design eye position of an aircraft transparency. Angular...
November 1, 2015
Standard Test Method for Measuring Angular Displacement of Multiple Images in Transparent Parts
5.1 With the advent of thick, highly angled aircraft transparencies, multiple imaging has been more frequently cited as an optical problem by pilots. Secondary images (of outside lights), often...
May 1, 2010
Standard Test Method for Measuring Angular Displacement of Multiple Images in Transparent Parts
With the advent of thick, highly angled aircraft transparencies, multiple imaging has been more frequently cited as an optical problem by pilots. Secondary images (of outside lights), often varying...
October 1, 2004
Standard Test Method for Measuring Angular Displacement of Multiple Images in Transparent Parts
With the advent of thick, highly angled aircraft transparencies, multiple imaging has been more frequently cited as an optical problem by pilots. Secondary images (of outside lights), often varying...
ASTM F1165-98
January 1, 1988
Standard Test Method for Measuring Angular Displacement of Multiple Images in Transparent Parts
1.1 This test method covers measuring the angular separation of secondary images from their respective primary images as viewed from the design eye position of an aircraft transparency. Angular...
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