These stylish polarized glasses have Polarized lenses specially cut at opposing 45° degree angles.  The lenses are molded and of better quality than the theme park Style.  They have folding temples for easy storage.  For viewing stereo pairs projected through left and right polarizing filters.  These work with all the older stereo projectors from the 1950s (TDC, Triad...) and twin stereo projectors fitted with our polarized filters.