Barb Junkkarinen's article:A HOLE THROUGH THE WINDSHIELD

[Chris Bristow]

After doing some experimental photos I found that images taken from the front and rear would have the same distortion in the form of widening angles. Magnification of the lower part of the crack occurs from the front and magnification of the top happens when photographed from the rear but no changes in angles. Then I found the HSCA uncropped photo of the removed windshield and took that angle into account. I also under estimated the angle of the windshield in my first test. After correcting both errors I found the difference in angles between the HSCA and WC photos is exactly what you should expect to see. 

[Mathias Baumann]

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Edited November 8, 2018 by Mathias Baumann