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Discussion Starter #1 (Edited)
As I mentioned in a previous post, I have been gone and out of the scene for a very long time. I was surprised though to see the lack of posts and threads here now. I would have thought with COVID and people staying at home that more people would be looking at DIY methods if for no other reason than something to do!

Years ago I kinda predicted that with the new super big High Def TVs available now, that projector setups would start dying off and things would go back to projectors being used for dedicated theater rooms. Truth is, with 80", 82", 85" and larger 4K sets that are available now at insanely low prices (I remember paying $2400 for a Sony 55" rear projection TV back in the day!), well the images that these sets produce often even the playing field over having a HUGE projector screen that has too many restrictions and variables that can compromise the image quality. It is very realistic to score an 80" plus size 4K set cheaper than the cost of a good 4K projector and screen. Of course DIY screens help offset the price a bit... okay significantly... but it still can cost as much or more for a projector. So why do it?

As the saying goes- 'Go big or go home!' There is just something about watching the latest movie on a big screen with some popcorn and the right sound system. That's why I am going to be setting up my home theater system again. I have a 75" 4K TCL that has an absolutely incredible picture, but I still like watching movies on a big screen. Plus with HBO Max now starting to show new release movies the same day they are released in the theaters, well movie night once again has me excited! I'm also going to be setting up a portable outdoor theater and screen. So yeah, I'm thinking I'm back!

I see that some people have posted saying there doesn't seem to be any experts chiming in anymore. Don... Harpmaker did sadly pass away a few years back. He was a great guy and is missed very much. Don and Mechman were my cohorts in crime so to speak, and when I disappeared they kept going with the testing methods I was always preaching about, and I see they were even working on some new DIY screen paints as well.

I'll end this lengthy re-introduction post with this- For anyone interested in DIY screens, I'd say this thread is the absolute best place to start. Most if not all of your questions will be answered from the indexed items and you'll learn more about CIE, D65 neutrals and color science than you wanted to! Don't let that scare you off though, all that testing was to prove the theories and back up what we were saying. Here's the link
 

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Discussion Starter #2
I was just telling this to someone else and thought it might be good to post it here too.
Here's the cold hard truth about projectors and screens...

Years ago older projectors were a bit under powered lumen wise and could be temperamental as far as calibrating, placement, and they definitely did not like ambient light at all. Truth is now days modern projectors have come a long way and the lumen output on some is like staring into the Sun! (Don't do it with any projector!) These modern projectors can compensate for a wide variety of screens and lighting conditions. As long as the material or paint you choose isn't WAY off and produces a horrible color shift, most projectors can be calibrated and compensate for it.

So with that said, this really isn't that hard. I'd say proper prep and then full calibration of your projector will yield more positive results than the DIY screen paint being used. There I said it! It really isn't that hard. OTS neutral grays are still the easiest and a great way to go (my bet is a lot of the ones tested back in the day either don't exist anymore or have different paint formulas now :( ). There are still a ton of good options out there. I once made a screen in a room that had no ambient light issues and just used Kilz primer and the projected image looked fantastic! I've seen people spend MONTHS trying to decide which DIY method to go with. Just get off your duff and grab some good paint and do it! It's WAY more fun watching movies and sports than wading through endless posts and threads... and yeah the flame wars that happens at some places (HTS has always been able to keep that under control though from my recollection).

What are you waiting for? Go make your screen and start having fun!
 

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We did it! Made our original screen, 155" diagonal, in 2006. It was a mix of Behr Silver Screen and White Opal Pearl. Our first projector was good, but needed some help in blacks. So the Silver Screen was great.

Fast forward to 18 months ago, when we bought a new projector, (Epson 5050UB) 4K this time with excellent blacks and dark level detail. Now my Silver Screen made everyone's face look dirty.

With some new OTS paint, we have a new screen that is killer awesome! The whites are white, and the blacks are black. And skin tones are natural now, not dirty like before.

Yes, a dedicated theater.
 

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No matter how big flat panels get there is 1 BIG item that they will most likely never have...acoustically transparent screens. Now some will say that new flat panels are coming with speakers in the screen, but the downside is you are not getting the quality of sound you can get with regular speakers.
 

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No matter how big flat panels get there is 1 BIG item that they will most likely never have...acoustically transparent screens. Now some will say that new flat panels are coming with speakers in the screen, but the downside is you are not getting the quality of sound you can get with regular speakers.
No matter how flat panel TV's progress, it is doubtful they would ever be as good as a front projector with a good screen.

Will there ever be a 155" or a 200" flat panel TV? Maybe. But I would still take a state-of-the-art 4K front projector instead. This requires a dedicated theater room, which some might not find practical.
 

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Projection is dying off... it's just in the early stages while waiting for more and better flat panel offerings. There's also the problem of cost. The switch to digital projection was facilitated by studios subsidizing the cost of replacing film projectors with digital projectors because NOT using film saved the studios so much money that they realized they would make more money by helping theaters replace film projectors. There's not a huge cost saving by switching digital projection to an LED wall for the studios, so they aren't likely to want to get into affordable financing or leasing. But there are already TVs being sold to consumers that will produce over 3000 nits (like 800 fL) that cost $1500 or even less. Projected images in theaters cannot be brighter than about 100 fL (340-ish nits). At home, those very high brightness capable TVs produce all the colors available in the UHD spec. While the projected images in the movie theater can't do all the high saturation colors because there's just not enough light in the pixels to create those colors on the screen. To compete with what is possible with home video on "popularly priced" TVs, cinema has to change to LED walls. It is already starting. But many more products coming, and the cost of these different solutions will come down quickly, as with consumer video tech.
 

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I don't think front projection is dying. It offers the best and largest picture, in 4K or even 8K, at a less expensive price.

Are there any 200" flat panel displays? I have not seen one. Yes, 65" and 75-85" TV's are the rage now, and getting crazy cheap.

But for a family who wants a real "theater" experience, with a huge screen, projection is the way to go.

 
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