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Summary
VFX artists recreate a groundbreakingDisneyvisual effects technique that had been think lost for almost six decade . In 1963,Walt Disney producedMary Poppins , which starred Julie Andrews and Dick Van Dyke . This movie made enjoyment of a special glass prism , one of only three ever made , to pull off its more challenging VFX chronological succession . This proficiency , however , known as the Na vapor process , would finally be lost to clip .
In a late television , the VFX artists atCorridor Crewrecreate the sodium vapor physical process using a replica optical prism create by investigator Paul Debevec . Check out the video below :
The video recording breaks down exactly how the process work , with the beam - rail-splitter optical prism deviate luminosity through the camera crystalline lens onto two different strips of film at the same time . One of these strips have only a sodium vapor wavelength while the other picks up everything else . This countenance for cutouts of worker and props without the downsides that come with using a green cover .
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As is explicate in the picture , the electron beam - splitter prism is n’t easy to make . At the time , it would ’ve be many tens of thousands of dollar to make just one , and it would have been voiceless to double this process and make identical social unit . Being able to consistently replicate not only the prism but also its results would have been crucial to the applied science catching on , which is probably why it fall out of manner . Green CRT screen , after all , is more cost - effective and more hastle - innocent , despite its defect .
Green and blue screen are still widely used today , but progress in the world of VFX have allowed them to become more effective . car encyclopaedism and AI , for example , a hot release issue in Hollywood , are already impacting activeness VFX study in positive ways . Entirely Modern engineering have also been invented that serve exchangeable design , including ILM ’s StageCraft , also have a go at it as The bulk . This tech is famously used to bringThe Mandalorianto life , but it has been used on production likeThe Batman , Thor : Love and Thunder , and even Steven Spielberg’sThe Fabelmans .
AI was a of the essence point of contestation in the dualWGA and SAG - AFTRA strikeslast twelvemonth .
VFX technology and techniques continue to advance , with2022’sAvatar : The Way of Waterarguably presenting some of the most breathtaking digital impression ever put to the screen . AI in Hollywood will continue to be a divisive issue , but there ’s no denying that it has been and will continue to drastically evolve the way VFX work is done in the years forwards . WhileDisney ’s optical prism no longer makes sense in today ’s historic period , it was evidently a important stepping stone .
author : Corridor Crew
