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P3D Why are polarizing glasses oriented at 45 deg?

  • From: fj834@xxxxxxxxxxxxxxxxxxxxx (Dr. George A. Themelis)
  • Subject: P3D Why are polarizing glasses oriented at 45 deg?
  • Date: Fri, 27 Mar 1998 11:33:38 -0500 (EST)
"This choice makes it possible to fold cardboard temples in either
direction while maintaining the proper orientation of the axes.  If the
axes were at right angles (pseudoscopic imaging would result) when these
commonly used viewers are improperly folded."

A piece of trivia answered in Lenny Lipton's book.

-- George Themelis


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