Anamorphic lenses are very popular right now, so here's a guide to what all those compression ratios mean! It's not really clear why anamorphic lenses originally had a two-to-one compression ratio.
LOS ANGELES—The venerable anamorphic format was developed for cinema by Twentieth Century-Fox in the 1950s. The studio wanted breathtaking, widescreen movies in order to compete with the newer medium ...