Optoma P1 4k Laser UST @ CES - Page 6 - AVS Forum | Home Theater Discussions And Reviews
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post #151 of 1454 Old 07-07-2019, 07:01 AM
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Originally Posted by bix26 View Post
The UHD50-51 had an issue with a light boarder and really low contrast.
I’ve had a UHD51A since its release and find the contrast fairly solid. The light border is there, but addressed that by widening the black masking around my screen. Recently tried the Xiaomi UST, which had a little better contrast, but also clipped whites. Plus other shortcomings, so decided to stick with UHD51A and see if the upcoming P1 is better.

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post #152 of 1454 Old 07-07-2019, 08:22 AM
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Do you notice an improvement on your uhd51a when you're watching 4k content versus 1080p? How is the 3d if you're watching that too?
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post #153 of 1454 Old 07-07-2019, 09:39 AM
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Originally Posted by Floorit72 View Post
Thank you for the info.

I saw demos of the UHD65 and UHZ65. In your experience would there be night and day difference comparing them to the P1 or would it be fairly close in quality?

With the P1s .47" 1080p native resolution chip, would a 4k bluray look sharper than a 1080p bluray? I wouldn't think it would but I'm hoping it would somehow be sharper with more noticable detail than a regular 1080p bluray.

I really appreciate your help!
The two 65s used the better chip so the contrast on them is better than what you will see with the .47 chip. 4K BR will look much better than 1080P BR on either chip.

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post #154 of 1454 Old 07-07-2019, 09:56 AM
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Thank you for responding. I was really hoping the p1 was going to have the .66 chip. Hopefully this model performs well and lives up to the 2 million to 1 contrast ratio they are claiming.
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post #155 of 1454 Old 07-07-2019, 10:19 AM
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Originally Posted by Floorit72 View Post
Do you notice an improvement on your uhd51a when you're watching 4k content versus 1080p? How is the 3d if you're watching that too?
Yes, that's why eBay'd off my Xiaomi. 4K is the best mode on it, but even then PJ doesn't support 23.976/24, and motion judder is noticeable (especially in camera pans). 3D is good in terms of brightness & depth, but only certain DLP-link glasses work, and 3D must be engaged/disengaged manually. Another problem is there's only one picture mode across formats (2D, 3D, 1080p, 4K SDR, 4K HDR). See the Xiaomi thread, where I posted a two-part, fairly in-depth review. There are things to like about the Xiaomi, but the sum of all its flaws/annoyances were too much to ignore.

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post #156 of 1454 Old 07-07-2019, 02:16 PM
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Thanks for the feedback. Isn't the frame interloping adjustable when watching 2d and 3d? Do you think there will be a jittery image with the p1?
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post #157 of 1454 Old 07-08-2019, 02:22 AM
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I expect Optoma's PureMotion frame interpolation to equally work for 2D and 3D.


Optoma models equipped with PureMotion FI in the past also provided FI für 3D program content, I'd be rather disappointed if this wasn't the case with the P1, too.

"It is only about things that do not interest one that one can give a really unbiased opinion, which is no doubt the reason why an unbiased opinion is always absolutely valueless." Oscar Wilde
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post #158 of 1454 Old 07-09-2019, 08:33 AM
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Thank you for the feedback Frank. If I were purchase the P1 and it had image jitter, I wouldn't be happy.
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post #159 of 1454 Old 07-09-2019, 08:38 AM
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What is 3d like on a home projector compared to the movie theater?
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post #160 of 1454 Old 07-09-2019, 05:45 PM
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Originally Posted by Floorit72 View Post
What is 3d like on a home projector compared to the movie theater?
For me (had a w1070 and now an ht3050), I haven't seen a 3d movie in theaters that was better than on my pj at home.


There is no ghosting/crosstalk on dlps and you can dial it in just how you like it. That is a huge benefit if you've ever been to a theater that just completely botched there setup somehow (Dark Pheonix i watched with a second dimmer offset image). It is very immersive and seems sharper than normal 1080p. Alita in Imax 3d was really good, but I fully expect my at home experience to equal or best the theaters.

My 3d is getting a little dim after 1500 hours on the bulb with darker content. That is one of the biggest hurdles with a lot of ht pj's when it comes to 3d. So I am looking to a bright 3d and 4k laser projector next. This P1 and Viewsonic's LS-7004k are on my shortlist.

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post #161 of 1454 Old 07-09-2019, 06:59 PM
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Originally Posted by ryudoadema View Post
For me (had a w1070 and now an ht3050), I haven't seen a 3d movie in theaters that was better than on my pj at home.


There is no ghosting/crosstalk on dlps and you can dial it in just how you like it. That is a huge benefit if you've ever been to a theater that just completely botched there setup somehow (Dark Pheonix i watched with a second dimmer offset image). It is very immersive and seems sharper than normal 1080p. Alita in Imax 3d was really good, but I fully expect my at home experience to equal or best the theaters.

My 3d is getting a little dim after 1500 hours on the bulb with darker content. That is one of the biggest hurdles with a lot of ht pj's when it comes to 3d. So I am looking to a bright 3d and 4k laser projector next. This P1 and Viewsonic's LS-7004k are on my shortlist.
Plus 1 to all the points above. My bulb is starting to dim a little too, but my home 3-D projection is always FAR more consistent than what I experience in theaters. I've been in packed cinemas where they've botched the 3-D presentation in some way or another. If you notice and say something, they'll give ya a free ticket for later, but for those who don't complain or know any better, they almost never stop down a showing.

And with DLP, 3-D ghosting is never an issue. From a L/R 3-D cancellation standpoint, DLP has better separation specs than circular polarized Real-D & linear polarized IMAX theatrical 3-D presentations.
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post #162 of 1454 Old 07-10-2019, 08:41 AM
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Thank you very much for the feedback on the 3D!!! I'm really looking forward to getting a projector even more now. Have watched any 3d movies that were half SBS mkv files? I am wondering how the quality is compared to a 3d bluray?
Thank you again!!
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post #163 of 1454 Old 07-10-2019, 12:06 PM
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Quote:
Originally Posted by Floorit72 View Post
Thank you very much for the feedback on the 3D!!! I'm really looking forward to getting a projector even more now. Have watched any 3d movies that were half SBS mkv files? I am wondering how the quality is compared to a 3d bluray?
Thank you again!!

Obviously this is coming from two fans of the format I do prefer blu-ray, but I also have plenty of sbs and some ou on my NAS and honestly if they are high quality there's not too much of a difference to my eyes. They still look really good imo. I'm a little bit of a stickler in that area, but my eyes are not perfect either. I probably should have glasses, but I feel like I'm pretty good at the distance I sit at...No one else I know is picky like me and none of them would ever notice a difference on my 100" screen.

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post #164 of 1454 Old 07-10-2019, 01:35 PM
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That's great!! I'm starting to collect 3d bluray and sbs files. I'm actually getting pretty excited about getting a projector soon. It's nice to get direct feedback rather than trying to find it in articles.

What is the smallest file size you would watch for 3d 1080p sbs files? I saw some documentaries that were 3 to 4 gigs and movies as small as 5 gigs. What do you think the quality would be like on those?
Thanks again for your feedback.
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post #165 of 1454 Old 07-10-2019, 06:11 PM
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Quote:
Originally Posted by Floorit72 View Post
That's great!! I'm starting to collect 3d bluray and sbs files. I'm actually getting pretty excited about getting a projector soon. It's nice to get direct feedback rather than trying to find it in articles.

What is the smallest file size you would watch for 3d 1080p sbs files? I saw some documentaries that were 3 to 4 gigs and movies as small as 5 gigs. What do you think the quality would be like on those?
Thanks again for your feedback.
I try to keep my sbs files as high as possible. Basically ~20gb or higher I guess? Depends on the length mostly. A little less is fine, but after that I would definitely start noticing the lower quality. They would still be watchable, though. I burn most everything to full mkv frame-packing now. They are a little smaller than the blu-ray depending on which tracks I keep and if I mux in atmos.

3-5 gbs would be stretching it for me. You'll just have to try one out. I would guess there would be some serious banding at that level which annoys me...

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post #166 of 1454 Old 07-11-2019, 08:24 AM
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Thanks again for the feedback. I will post details if or when I get the p1
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post #167 of 1454 Old 07-11-2019, 04:20 PM
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Quote:
Originally Posted by Floorit72 View Post
That's great!! I'm starting to collect 3d bluray and sbs files. I'm actually getting pretty excited about getting a projector soon. It's nice to get direct feedback rather than trying to find it in articles.

What is the smallest file size you would watch for 3d 1080p sbs files? I saw some documentaries that were 3 to 4 gigs and movies as small as 5 gigs. What do you think the quality would be like on those?
Thanks again for your feedback.
One thing to remember with SBS 3D and lower file sizes is you now have half resolution with SBS *and* more compression. Not a great combination.
ryudoadema gives good advice on 20gig or higher.

Here's my 2 cents take on file size (compression) and screen size- While a given higher compressed file might pass as good on a 27" monitor, it could turn into passable if viewed on a 55" display, and could start looking motley on a 110" plus screen.

Add to that is what people consider acceptable, which will of course vary.
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post #168 of 1454 Old 07-12-2019, 01:48 AM
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Thanks again for the feedback. I will post details if or when I get the p1
Well, join the queue - on that note, I am growing a bit unpatient with waiting around for some sort of news on these PJs...waiting for the LG, waiting for the P1...
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post #169 of 1454 Old 07-12-2019, 03:51 AM
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Thank you the feedback on 3d file sizes, it makes it much clearer for me now.

On a pixel shifting projector, what do you think the quality will be like for a compressed 4k hdr mkv file around 25 gigs versus a remux? Do you think the compressed files would look fairly close to a remux and or look very good?

I talked with a retailer yesterday and they told me they expect to have the p1 in the first couple weeks of August.
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post #170 of 1454 Old 07-15-2019, 04:33 AM
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A new Xiaomi 9000 Lumens 4k has been unveiled. I'm looking forward this Optoma, Is this one 3000 real Ansi lumens or is it light source?
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post #171 of 1454 Old 07-16-2019, 06:30 AM
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A new Xiaomi 9000 Lumens 4k has been unveiled. I'm looking forward this Optoma, Is this one 3000 real Ansi lumens or is it light source?
Bit unsure about these 9000 lumens...previous Wemax was 7000 but real ANSI were around 1500.
Putting all my hopes on P1 if the final price is less than $3k
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post #172 of 1454 Old 07-17-2019, 05:59 AM
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Yes I know, my question was if the Optoma is 3.000 real lumens, thanks

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post #173 of 1454 Old 07-17-2019, 01:00 PM
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Yes I know, my question was if the Optoma is 3.000 real lumens, thanks

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It'll be close to that in a non-calibrated mode. In best movie mode, maybe 1800-2200 based on it's big brother the UHZ65 (probably the same light engine but smaller DLP chip.)

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post #174 of 1454 Old 07-18-2019, 09:55 AM
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This is a copy of an email that a manager received back from the engineers in response to my questions on the CinemaX P1 specs.

I would love to hear some feedback on the quality and performance based on these. Will 3d have a jittery image because there isn't frame interloping?


Is frame interloping available for all content 720p, 1080p, 4k at all frame rates supported?
Yes.

 

Frame interloping for 3d content?

No.

 

Fix the white boarder on the .47 chip?

Yes.

What is the native contrast on the P1? 
15000:1 However, this requires verification.


Will there be a ust version coming out using the better .66 chip?
TI has made considerably improvements to 0.47 DMD. The performance is now on par with the 0.66 DMD.

Can 3d content be played via usb from a hard drive?
Yes.

 

Can Kodi application be downloaded to the unit?
Unverified. We are still in testing mode.

Will 4k bluray be sharper and show more detail than a 1080p bluray outside of using HDR?
Yes. 4K combined with the glass lens produces significantly sharper images than 1080p.

Picture uniformity percentage?
90%.
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post #175 of 1454 Old 07-21-2019, 11:24 AM
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Now we just need a final confirmed price and launch date :/
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post #176 of 1454 Old 07-23-2019, 12:34 AM
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I am getting a bit bored waiting though, what was the last rumored date ??
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post #177 of 1454 Old 07-23-2019, 04:25 AM
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I am getting a bit bored waiting though, what was the last rumored date ??
End of Aug...:I
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post #178 of 1454 Old 07-25-2019, 01:31 PM
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LG is now on sale at $6000.
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post #179 of 1454 Old 07-25-2019, 05:37 PM
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LG is now on sale at $6000.


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post #180 of 1454 Old 07-26-2019, 06:23 PM
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Yet another option in the UST space. I’m excited to see more and more options. Even if some don’t interest me, they will help drive down the exorbitant premiums of the current UST projectors.

https://www.passionhomecinema.fr/blo...omi-ecosystem/
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