Amazon has
ViewSonic PX701-4K 4K UHD 3200 Lumens 240Hz 4.2ms HDR Home Theater Projector on sale for
$776.39 when you 'clip' the $50 off coupon on the product page.
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Thanks to community member
phoinix for finding this deal.
Product Details:
- Native Resolution: 3840x2160
- True 4K HDR visual experience
- 4.2ms Ultra-Fast Input
- 240Hz high refresh rate
- Warping, auto V keystone and H/V keystone for flexible installation
- 3,200 ANSI Lumens offering bright images in any environment
- Energy-efficient 20,000 hours lamp life
Top Comments
"As the 3,200 ANSI lumen rating suggests, the natural home for the PX701-4K is in a room with ambient light. Most people will consider the image more than acceptable for a family room straight of the box, while serious gamers will also be attracted by the faster-than-typical lag time for 4K models. And although it doesn't offer the color accuracy, contrast, or black level a serious enthusiast would ideally want, it can also do a credible job on image quality with lights off."
Notable: 12,000:1 contrast ratio, tends towards blue, but can be improved if willing to tinker;
"After calibration, the final measured brightness for peak white with HDR input was significantly higher than for SDR, at 246.7 nits (72.01 ft-L). The measured color volume was 53.3% Rec.709 (35.8% of the DCI-P3 wide color gamut), an improvement on the pre-calibration measurement. "
Cedit to LT_Blount on the reddit r/projectors forum for his insight. Original post: https://www.reddit.com/r/projecto...c_px
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69 Comments
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This IS a good price for a 4k gaming centric projector but these cheaper ViewSonic and optoma projectors, despite being 4k, are not designed for being primarily movie projectors. They are gaming/multipurpose projectors so they make sacrifices in terms color accuracy, contrast and HDR. This means these are going to still look good in comparison to a 1080p projector but they aren't going to be as good as a 4k movie centric projector. Some of the middle tier epson and BenQ 4k movie centric projectors have an active iris lense that helps to enhances contrast and black levels which is much more noticeable in movies and low light rooms. That feature should eventually come down to lower level newer model products as well. Picture quality, HDR, and color accuracy on the movie centric projector variants should be way above what you can get with these gaming projectors.
I think these "cheaper" ViewSonics and optoma 4k gaming models are similar to how Hisense is for middle/higher end TVs (uh6, uh8 being good examples). They offer a lot of bang for the buck in terms of having many higher end features at the lower prices, but they dont really excel in any particular area.
The projector central site has categories for movie oriented ones vs gaming oriented. There will be overlap with gaming ones but almost all the gaming ones will have worse picture quality and color accuracy than the movie variants.
https://www.projectorce
This IS a good price for a 4k gaming centric projector but these cheaper ViewSonic and optoma projectors, despite being 4k, are not designed for being primarily movie projectors. They are gaming/multipurpose projectors so they make sacrifices in terms color accuracy, contrast and HDR. This means these are going to still look good in comparison to a 1080p projector but they aren't going to be as good as a 4k movie centric projector. Some of the middle tier epson and BenQ 4k movie centric projectors have an active iris lense that helps to enhances contrast and black levels which is much more noticeable in movies and low light rooms. That feature should eventually come down to lower level newer model products as well. Picture quality, HDR, and color accuracy on the movie centric projector variants should be way above what you can get with these gaming projectors.
I think these "cheaper" ViewSonics and optoma 4k gaming models are similar to how Hisense is for middle/higher end TVs (uh6, uh8 being good examples). They offer a lot of bang for the buck in terms of having many higher end features at the lower prices, but they dont really excel in any particular area.
The projector central site has categories for movie oriented ones vs gaming oriented. There will be overlap with gaming ones but almost all the gaming ones will have worse picture quality and color accuracy than the movie variants.
https://www.projectorce
Have a UB5050, wondering how this compares.
https://www.viewsonicgl
Look at page 40 and the 3D modes supported.
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Pros:
Holy cow this thing is bright. I no longer have to black out the room or choose between being able to see the room or see the video I am watching. The projector lights up the room. Turning a few lights on in the room with a video playing isn't an issue at all. I think you'll enjoy the jump in brightness, I know I did.
Caveats:
This thing has a built in speaker, great for your presentation, bad for home theater. Just turn the volume to 0 and forget about it. If you try to mute it or disable it, you'll have to see a speaker with an X next to it on the image all the time.
Next is the software keystone correction. If you want to use the low latency mode you can't use the software keystone. Just dial in the projector position manually.
Next is the color wheel. The Optoma I used and the Viewsonic you have both have RGBRGB color wheels. They were good for color accuracy, but poor for brightness. The PX701-4K/PX728-4K/PX748-4K have an RGBW color wheel. With the factory default settings the whites will be overpowering and the dark colors will just be a blob of black. I honestly thought I was going to return it or buy a different screen based on that. I found an app to set my brightness and contrast up and I've been much happier with it since (TV Calibration for android TV). The changes were minimal, but had a big affect. I went from 50 to 51 on the brightness and from 0 to -7 on the contrast.
The Eco Mode that touts a 20,000 hour bulb life is fine and is just a bit dimmer than the normal mode. The Dynamic Eco mode will increase or decrease power to the bulb based on how bright a scene is, I found it to be too noticeable and just have mine on normal mode.
You *will* notice when you have a poorly compressed video source.
Other:
There is a beeping noise the projector makes when it powers up or after it completely powers off, you can turn that off in the menu (Power On/Off Ring Tone). The default Viewsonic splash screen is mostly white and kind of retina burning, you can change that to a blue or black screen. If the projector switches modes i.e. 4K 60Hz SDR to 4K 60Hz HDR, it will bring up the splash screen. Going from the mostly black background of the Android TV launcher to the Viewsonic splash screen is a lot.
I'll be honest with you, though, it doesn't make a lot of sense to not mount a protector or have some kind of near permanent place to set it. To get a true native resolution you can't use keystone - keystone works by doing calculations and scaling on specific lines of the projected image and you'll get a hit to resolution and image quality the more you use it. Mechanical lens shifting can cause some aberrations as well.
Then there's the screen. You COULD just use the wall, but generally you'll get better results with a dedicated screen. Chances are you're not going to want to move the screen around all the time, either.
So ultimately you have this big screen that sucks to reposition and a projector that needs to be aimed a certain way for the optimal image. This all tends towards a setup where you get it right and then leave it alone... Which means hard-mounting stuff.
But let's say that's not possibly or desirable for some reason - your landlord is a real asshole and will rip you a new one if you put any holes in the walls or will charge you like $100ea or there's no wall behind you and you definitely can't mount on the ceiling because the wiring would be insane. You also have smooth walls, don't care about the textures, or you used so mm e paint specifically for projectors. In this case your best bet would be to put a bookcase behind your couch to put the projector in, just put the projector on the coffee table, or buy a short throw and put it on a TV stand. A protector stand just seems like a wierd product to me.
This is the user guide for the PX748 projector. It only supports frame sequential as well. Look on page 40 under 3D settings. It's funny that the PX701HD(the non 4k version) has SBS support.
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