You’re buying a projector screen to perfectly fit one movie…? That seems kind of absurd to me, sorry.
Also, not every release of the same movie will have the exact same dimensions due to the nature of how it was scanned and restored. So, for example, the new 4K box set coming out in a few months might be slightly wider than the 2011 Blu-Ray, which might be slightly wider than Despecialized, which might be slightly wider than 4K77… etc. etc.
Not to mention when you pop in another “scope” movie, it won’t be exactly the same dimensions either.
And what about 1.78:1 content? 1.85:1? 2.00:1? 2.76:1? Good old fashioned 1.33:1?
LOL! Yes, I am buying a screen to FIT one movie, but I will not be PLAYING just one movie, I’ll be playing all of the hundreds of movies I have on disc. My JVC NX7 projector can pre-programmed for different aspect ratios that it can make on the fly with the push of a few buttons on the remote. So if the original SW is 2.39, and I get a 2.39 screen, and most of the discs I have are 2.35 and other ratios, when I get done watching SW at 2.39, it’s no trouble to adjust the JVC to 2.35 or anything else I can pre-program and the projector will zoom in and out accordingly. Then, when I’m done watching the other movies and it’s time to go back to watching the original SW again at 2.39 for example, just press a few buttons on the remote and it’s all good.