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ASTM F2156 PDF
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Standard Test Method for Measuring Optical Distortion in Transparent Parts Using Grid Line Slope
| Published by | Publication Date | Number of Pages |
| ASTM | 05/01/2022 | 6 |
ASTM F2156 – Standard Test Method forMeasuring Optical Distortion in Transparent Parts Using GridLine Slope
1.1”When an observer looks through an aerospace transparency, relative optical distortion results, specifically in thick, highly angled, multilayered plastic parts. Distortion occurs in all transparencies but is especially critical to aerospace applications such as combat and commercial aircraft windscreens, canopies, or cabin windows. This is especially true during operations such as takeoff, landing, and aerial refueling. It is critical to be able to quantify optical distortion for procurement activities.
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