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this post was submitted on 14 Jul 2023
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I didn’t realize imax was still film. I figured it went digital with everything else.
70mm film to be exact
I’ve not really been into films but recently I’ve started to pay more attention to directors and screen writers.
I really want to watch Oppenheimer as it interests me but I really really want to watch it on 70mm IMAX, I am lucky enough to love 6 miles away from one and I don’t know if it will be that good or if the marketing team has done a hell of a job.
I’ve been watching videos and reading up about IMAX and cinematography. Every showing is booked up for the first week that I checked. Even the 7am showings.
How good is 70mm imax
70mm is the equivalent of shooting 18k digitally
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There’s only a handful of IMAX theatres in the world that can play this format. Most of them are digital.
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Our local one did, but I guess not all. It's a shame, you used to be able to watch the film being wound through windows
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That will fit nicely in my 32gb micro sdxc the size of a fingernail.
Actually it won't. A movie on a 4k blu ray is around 80gb without additional compression. And Oppenheimer is shot on 70mm which is more like 8k resolution. Still would fit on a micro SD of course
It's way bigger than that.
Usually cinemas receive movies in multiple terabyte hard drives. Thats because they are using JPEG2000 standard (it varies, but it is close to lossless) and a movie can take up anywhere from 500GB to 2TB (highly dependent on resolution, it can go above 2TB).
https://en.wikipedia.org/wiki/JPEG_2000?wprov=sfla1
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Some things to keep in mind about the theater experience.
- Only a handful of theaters do film IMAX anymore. A lot of IMAX locations are just 4k DCP (Digital Cinema Package)
- Most theaters in the world are digital projectors with a max resolution of 1998x1080 or 2048x858
Part of the reason these factors still exist is cost. A poorly maintained film projector with a lousy film print can ruin a movie going experience. Hollywood would sometimes release so very shitty prints. The digital projectors are much easier to maintain so the experience is often more ideal for the average movie goer.
Having said that, if a theater takes good care of their film projectors and they have a well made and well kept print, the experience can be amazing.
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16k, it's iMAX, which is about as good as it gets.
This obsession with the length and weight of the film is such a bizarre marketing strategy.
Yeah, we all know girth is what matters.
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I'm sure I'm wrong, but it's hard to imagine this being better quality than what we can do digitally these days.
You are in fact wrong lol. Actual film has a resolution equivalent of something like 18K.
Wasn't normal 35mm film about the equivalent of somewhere between 4k and 8k depending on the film stock?
Plus, the projector optics will always limit the sharpness of the picture. No lense is ideal, and even ideal lenses would have fundamental limitations due to diffraction.
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Resolution and color reproduction is still unmatched. Plus there are a lot of things happening in the analog domain that our eyes notice as beautiful.
Same thing is true for analog vs digital music production btw
I can't speak for video, but for audio production that isn't true. Audio signals can be perfectly reproduced, up to some frequency determined by the sample rate and up to some noise floor determined by the bit depth, digitally. Set that frequency well beyond that of human hearings and set that noise floor beyond what tape can do or what other factors determine, and you get perfect reproduction.
See here. https://youtu.be/UqiBJbREUgU
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Yeah, but they're likely digitally editing it all now, so it loses that in the middle of the process. Can't really see why it would make sense to print a digital file back onto film
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I assumed even an IMAX film would be digital now.
Imax film is some of the highest resolution formats we have it's like 16k resolution, and using that for a projector gets ya some really good quality.
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If I pay to see a movie in an IMAX theater, this is the film being loaded? Is this normal for IMAX?
No. This is called “15/70 Imax”. There are very very few theaters that have this. The “Imax” you’ll find at the local mall is totally different.
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Check out this list. The imax 70mm ones would be reels like this one.
https://www.in70mm.com/news/2023/oppenheimer_cinema/index.htm
All of this could fit on a micro SD card.
Probably not. 3 hours of uncompressed 1080p video is around 2tb. The film is closer to 16k which is 64 times more pixels than 1080p. This ain't your web rip off pirate bay.
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Going to see Oppenheimer in imax soon and this post got me researching about imax and fake imax and now im a little disappointed that the imwx theater im going to is just digital imax (fake imax). Oh well :/
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This is insane. I want to go watch this in IMAX so badly, but there are no IMAX theaters anywhere near me. Maybe one day I'll get a chance. Do they ever reshow older IMAX movies? Like, I would kill to go back and see Interstellar or Dark Knight.
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I read quite a few comments, admittedly not all. But I haven't seen this asked.
How is this 600 pounder handled? Forklift? Hoist? WTH?
Smaller reels that are spliced together as they're fed on the feed platter you see. My dad was a a projectionist, he'd make these up when a film arrived then break it down to ship it. I'd go on and help him as a kid.
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There are productions that still use film?
EDIT: Missed the iMAX part.
Many. And this isn't even the footage, this is the print for the cinema.
A surprising number of films are still shot on film and then transfered to a digital intermediate for editing and later distribution. Not only the few film imax ones. I wonder if anyone is still doing their editing on film, I highly doubt it.
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Go watch the movie. A lot of people worked very hard on it. But still, remember to show your support to the strike.
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Holy shit balls.
I'm so stoked for this. Just got done listening through The Last Podcast on the Left's series on the Manhattan project too
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I used to be a projectionist at an art house theater. We just did 16 mm prints. Just imagining this going wrong due to some threading issue and the film going everywhere is giving me anxiety.
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