“ POLARIZATION OF LIGHT ” 1970s OPTICAL SCIENCE FILM POLAROID FILTERS XD41004

Want to support this channel and help us preserve old films? Visit Visit our website This 1971 Encyclopedia of Britannica educational classroom film, created in collaboration with Dr. Lawrence Welsh of Northwestern University, makes use of footage from a film created by Judit Vaas at the Budapest Studios in Hungary to illustrate the phenomenon of light polarization, using mid-century modern furniture and colorful photographic effects. Opening titles (0:12). A man driving a car at night squints into the distance. His POV reveals low visibility and glare from oncoming headlines due to light refraction through drops of snow and moisture. A rack focus on the snowy windshield. A hand braces for a collision (0:33). Closeup on a hand adjusting the focus of automobile headlights and applying a polarization filter (0:45). The car turns on its headlights in darkness (0:49). A photographic camera lens polarization filter rotates to reveal the angle of polariz