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(Reviewed) $400 2560x1440 IPS no-AG 90hz+ Achieva Shimian QH270 and Catleap Q270 - Page 37

Poll Results: Vote when your Achieva/Catleap monitor comes in.

 
  • 41% (232)
    Achieva QH270
  • 2% (12)
    Achieva QH270 (DOA / didn't recieve)
  • 8% (46)
    Achieva QH270 (Dead pixel(s) / flawed panel)
  • 40% (224)
    Catleap Q270
  • 1% (8)
    Catleap Q270 (DOA / didn't recieve)
  • 5% (33)
    Catleap Q270 (Dead pixel(s) / flawed panel)
555 Total Votes  
post #361 of 4784
Quote:
Originally Posted by kazenagi View Post

Are there any differences between the QH270-IPSB and the QH270-Lite besides the tempered glass? Can't wait to jump on one of these..or a few..

the Q270-LITE is the IPSBS model which comes with speakers.
post #362 of 4784
Note to all: I wouldn't get caught up in this 8-bit and 10-bit topic.

For a monitor to be true and full 10-bit it would have to have both a 10-bit panel and 10-bit video mainboard inside. Most manfacturers will skimp on one of the parts but still deceptively label the monitor "10-bit". And when 10-bit is set up incorrectly (for various) reasons, you'll get dithering and fake neon colors, you don't want that. True 10-bit is for professionals and color enthusiasts to fiddle with and pay for ($$$$$) imho. Take the 8-bit and be happy knowing everything will be setup properly and look perfect.
Quote:
Hi Greg, just to be clear the JVC uses an 8 bit lcd panel (I assume you are looking at their DT-V24L3DY?). Both the FSI monitor and the JVC utilize full 10 bit processing, but this is not the same as a full 10 bit panel.

When digging through the user manuals and specifications the following may be a useful guide for you (because there are many ways of expressing color depth...and they are often misleading):

1. First make sure you separate panel depth from video processing depth. If you are dealing with 10 bit material then there is no question that 10 bit video processing is a must have, no compromise, prerequisite for your monitor. The good news is that most decent quality professional monitors do process at this level or higher.

2. When dealing with panel depth look for the following information to know exactly what you are dealing with:

- 8bit panels can reproduce approximately 16.77 million colors. Sometimes 8 bit panels are referred to by manufacturers as 24bit (8 bit per RGB subpixel channel), if you see this know that they are the same thing.
- If you see 16 million colors or some number around there, but not quite 16.77 million, then you can be pretty sure this is actually a 6 bit panel using a dithering technique to 'simulate' more colors. Dithering is usually considered objectionable in professional applications because it tends to generate spatial and/or temporal image artifacts.
- 10 bit panels can reproduce approximately 1.073 billion colors. If you see a number shy of this, but around 1 billion, you can be pretty sure that this is an 8 bit panel using dithering to 'simulate' a 10 bit panel. Again, dithering may be okay for the home viewer, but is normally not desirable in professional applications.
- A native 10 bit panel is desirable and if you have the money that certainly is the way to go. However, you will not find a native 10 bit lcd panel broadcast monitor in the price range you mention. You can find a native 10 bit graphics or computer monitor, but it will not share the features or inputs found on the broadcast monitors you mention in your original post. Just as an example we will be releasing a native 10 bit unit in the future around the $9,000 price range (LM-2470W).


Sometimes you need to dig for the 'real' monitor specifications because marketing departments of course tend to focus on the best sounding numbers...this often leads to monitors with 10 bit processing, but 8 bit lcd panels, being touted as true 10 bit monitors. IMHO that type of marketing is a bit misleading, but that is not to say that 10 bit processing is not important because even with just an 8 bit lcd panel 10 bit processing is a distinct advantage for the professional environment.
^^^^ Link to the quoted discussion: http://forums.creativecow.net/thread/126/860437
post #363 of 4784
Just ordered the "tempered glass" updated version

Well see how it goes
post #364 of 4784
those of you who ordered from dream seller, did they give you a tracking number?
post #365 of 4784
Quote:
Originally Posted by AchuSaysBlessYou View Post

the Q270-LITE is the IPSBS model which comes with speakers.

according to the seller it actually is just the barebones model no speakers
Quote:
Hi!
Thanks for your interest on our product.
This monitor doesn't have tempered glass and speakers. If you have any further question, please feel free to ask. Hope to have a deal with you soon. Thanks again. Have a good day!

- dream-seller/QUOTE]
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post #366 of 4784
Thread Starter 
Quote:
Originally Posted by kazenagi View Post

Are there any differences between the QH270-IPSB and the QH270-Lite besides the tempered glass? Can't wait to jump on one of these..or a few..

The QH270-Lite is the IPSBS model, with speakers and no glass (that's what I received). However, I suspect there may even be more than one flavor of the IPSBS... the normal model, and the "lite" one with no OSD (like I got). Pure speculation now, but we'll know once more get here.
Quote:
Originally Posted by AchuSaysBlessYou View Post

Hey OP how about adding an option for the ipsb model? From the dcsamsungmall seller. Mines coming tomorrow. Just got through customs 3 hours ago in Alaska. Hope I'm home when they deliver

You're in for a treat. Quadrupling my screen resolution with much better viewing angles put a big smile on my face, moving from any TN panel will do the same for you. And if you're talking about the poll, IDK if I can even change without removing it.
Quote:
Originally Posted by SJetski71 View Post

Note to all: I wouldn't get caught up in this 8-bit and 10-bit topic.
For a monitor to be true and full 10-bit it would have to have both a 10-bit panel and 10-bit video mainboard inside. Most manfacturers will skimp on one of the parts but still deceptively label the monitor "10-bit". And when 10-bit is set up incorrectly (for various) reasons, you'll get dithering and fake neon colors, you don't want that. True 10-bit is for professionals and color enthusiasts to fiddle with and pay for ($$$$$) imho. Take the 8-bit and be happy knowing everything will be setup properly and look perfect.

...

^^^^ Link to the quoted discussion: http://forums.creativecow.net/thread/126/860437

Lots of people have been asking about 8 bit vs. 10 bit. I'll put that link in the 1st post, ty.
Edited by brucethemoose - 2/27/12 at 7:43pm
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post #367 of 4784
Quote:
Originally Posted by brucethemoose View Post

Lots of people have been asking about 8 bit vs. 10 bit. I'll put that link in the 1st post, ty.
NP,

And thank you for the great FAQ in your first post and staying on top of the dizzying amount of info being posted.
post #368 of 4784
The 8-bit monitors are priced incredibly well. Though you should not expect the same performance as well known high-end IPS screens; these use an LED backlight which results in lesser color accuracy. And also, the cheaper models can only display 16 million colors while the high-end IPSes can display 1 billion colors.

The 10-bit monitors are priced similarly to my HP ZR30W (also sporting a 10-bit display), except you get warranty and other perks with the HP model. So I don't recommend getting those.
Edited by born2bwild - 2/27/12 at 8:24pm
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post #369 of 4784
I wonder if heat will be an issue for the tempered glass versions since air wont be hitting the screen directly. My U2410 gets pretty toasty after a day of use and it puts out a good amount of heat similar to my radiator if I put my hand over it.
post #370 of 4784
Quote:
Originally Posted by born2bwild View Post

The 8-bit monitors are priced incredibly well. Though you should not expect the same performance as well known high-end IPS screens; these use an LED backlight which results in lesser color accuracy. And also, the cheaper models can only display 16 million colors while the high-end IPSes can display 1 billion colors.
The 10-bit monitors are priced similarly to my HP ZR30W (also sporting a 10-bit display), except you get warranty and other perks with the HP model. So I don't recommend getting those.
You may already know but it's way more complicated than that in regards to 8-bit and 10-bit and even the ZR30w which costs nearly 3X more than the Shimian. As with my earlier post, lets not get everyone goosed up with this 8-bit and 10-bit thing because all of the possible variables and ensuing complications will not do anyone here any good. 10-bit is not for everyone and it certainly isn't built for every application, many applications won't work in a 10-bit color-space so 10-bit owners will often be dealing with dithering and non-accurate colors anyway. As i said before, 10-bit is best reserved for professionals and color enthusiasts with the right hardware, software and knowledge on how to set it up properly.

Personally, i like CCFL better than LED backlights, but it does not mean that an LED backlight cannot have a reasonable degree of color accuracy for a home user (i am only clarifying, not correcting) and results will vary from model to model.

In case anyone is curious, this thread ought to shed some light on the HP ZR30w and 10-bit peculiarities: http://hardforum.com/showthread.php?t=1554977
Edited by SJetski71 - 2/27/12 at 8:51pm
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