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ViewSonic VP2770 Review+Club: 2560x1440 Semi-Glossy PLS - Page 12

post #111 of 514
Quote:
Originally Posted by bab5 View Post

Owners of the VP2770 can you look at the image on your monitor and see if you're seeing the same thing with the same settings or is it just my monitor that's doing it. I hope that is the case because I don't understand how sites like tftcentral can recommend the native or srgb (calibrated) settings with this issue.

I just tried switching from my "User Color" (95,100,95) to the "Native". Some slight banding appears in "Native" mode but no banding that I can detect in "User Color" mode. In comparison, the U2713HM has more noticeable banding in its sRGB mode vs the VP2770 in "Native" mode.
post #112 of 514
Thread Starter 
Most monitors will band in the lagom gradient test, especially after adjusting the RGB settings and calibration. Oddly out of the many monitor I have used only a few TN's have not shown banding before and after calibration. The VG248QE I have now doesn't band in the gradient test until it is calibrated. The Dell U2713H (14 bit LUT) doesn't band before or after calibration either, but it is a wide gamut display so it's a moot point.

@Biohazard

TN's suffer from vertical gamma shift, what you are seeing on the Viewsonic should be correct. Once I get home tomorrow I will post a picture of the lagom black level test of a TN (VG248QE) vs. calibrated IPS.
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post #113 of 514
So, I received a replacement monitor and it was.... worse. It had worse light bleed, less accurate colors (too yellow), and had a "pencil eraser mark" looking thing on the screen where it was brighter than the rest of the display. So, I told Amazon I will be sticking with the original. I guess it was worth the shot, but this one isn't too bad anyway.
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post #114 of 514
Quote:
Originally Posted by 08silverado View Post

So, I received a replacement monitor and it was.... worse. It had worse light bleed, less accurate colors (too yellow), and had a "pencil eraser mark" looking thing on the screen where it was brighter than the rest of the display. So, I told Amazon I will be sticking with the original. I guess it was worth the shot, but this one isn't too bad anyway.

I tried 4 different Viewsonics before giving up on them. The original I had was the best of them all once I tapped the screen and got rid of the stuck dust behind the panel. The rest had varying issues from backlight bleed to dead pixels and physical damage from shipping.
    
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post #115 of 514
The backlight bleed on mine really isn't remotely bad. I was just being picking and figured I might as well try for perfect since Amazon is so good about returns.
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post #116 of 514
Almost every display out there will have some degree of backlight bleed from my experience. Seems an unfortunate reality with these things.
    
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post #117 of 514
Does anyone else find the LED backlighting to be extremely bluish? My eyes eventually get used to it, but it's really noticeable when I first turn it on in the morning.

I also find this display hell to use when there's significant white content being displayed. It's almost as if some aspect of the screen is imparting an artificial glare through my glasses.

I am running in sRGB.
post #118 of 514
Quote:
Originally Posted by bitfidelity View Post

Does anyone else find the LED backlighting to be extremely bluish? My eyes eventually get used to it, but it's really noticeable when I first turn it on in the morning.

I also find this display hell to use when there's significant white content being displayed. It's almost as if some aspect of the screen is imparting an artificial glare through my glasses.

I am running in sRGB.


Depends on how they did the calibration at the factory. Because of the 4 viewsonics I had, 3 had a reddish tint while the first one had a blue one. You can get a calibration tool like Spyder 3 or i1display pro and do it yourself which is what I recommend.
    
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post #119 of 514
Thread Starter 
I have measured the color presets, in default Native mode provides slightly better colors than the Asus PB278Q I reviewed, and both are much better than my Samsung S27A850D. So far I have only spent around 3 hours with the Viewsonic.

Top Left=Viewsonic VP2770, Top Right=Asus PB278Q, Bottom Left=Samsung S27A850D

Contrast
PB278Q>VP2770>S27A850D



But both have obviously deeper blacks than my S27A850D, as far as the Asus vs. Viewsonic goes, well a contrast difference of 70:1 is too small to see a difference, it would boil down to which has the best screen uniformity. The Viewsonics User mode provides the same contrast as the Asus.

Out of the box Color Dominance: subjective evaluation
VP2770: very, very mild red tint
PB278Q: mild but obvious blue tint and over-saturated blues
S27A850D: strong red tint

Gamma
VP2770>PB278Q>>S27A850D



None were perfect, especially compared to my 250$ Asus VG23AH, but the Viewsonic has the least amount of black crush

Color Temperature
S27A850D>VP2770>PB278Q



The Samsung has the most accurate out of the box temperature (6500k vs others 7000k-ish) on paper but strongest color [red] dominance while the Viewsonic has the most linear (best)


RGB Levels
VP2770>PB278Q>S27A850D



On paper the Asus is the best but it has a blue sRGB color space mismatch issue, in actuality the Viewsonic is the best since it has the least amount of "real life," [observed] color dominance

Lagom Gradient Banding Test:

http://www.lagom.nl/lcd-test/gradient.php

In PRAD's review they mention that the Viewsonic bands in this test, mine does too, but most of the monitors I have used do except for the Dell U2713H and Asus VG248QE (before calibration)

Lagom White Saturation Test:

http://www.lagom.nl/lcd-test/white.php

This is the only monitor I have used which has perfect performance in this test out of the box

Response Time

I cloned both my CrossOver 2720MDP (fastest 60hz IPS I own, it is noticeably faster than the Samsung & Asus) and the Viewsonic VP2770 (set the response time setting to Advanced) and I didn't see any overshoot on the Viewsonic in the synthetic PixPerAn tests (chase test & streaky pictures).

Both the Asus and Samsung showed obvious overshoot and streaking while the Viewsonic seemed to perform just as well as my CrossOver. More testing needs to be done.


Side Note:

When switching to the Viewsonic's User mode which allows one to adjust the RGB values in the OSD, the gamma average rises. The Viewsonic VX2770SMH I reviewed had the same issue.



Tweaking the RGB values in basiccolor 5 brings the gamma down a bit, and setting the contrast to 75 makes the gamma average around 2.2 but boxes 252 and 253 become a bit harder to distinguish in the Lagom White Saturation Test

http://www.lagom.nl/lcd-test/white.php

The User mode also provides a near 1000:1 contrast ratio.
Edited by MenacingTuba - 3/25/13 at 3:47pm
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post #120 of 514
Wow. That's great news for us Viewsonic owners. Seem like the Viewsonic is as great as we expected. Thanks for the quick review. I appreciate it!
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