Method for eliminating strong ambient light in aircraft cockpits
   
   

Light is polarized in perpendicular directions between a source of light and a users viewing of information on a display device. A first sheet of polarized material is placed at the source of the light, such as a window in a cockpit. A second sheet of polarized material is attached or integral to a display device. The pass axis of the second sheet is oriented substantially perpendicular to pass axis of the first sheet.

 
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> Optical apparatus and viewing optical system thereof which is capable of displaying information

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