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LightBoost, G-SYNC, Turbo240: 120Hz Strobe Backlight LCDs / No Motion Blur! - Page 114

post #1131 of 2929
http://www.overclockers.ru/lab/54424_3/BiG_LightBoost._Obzor_i_testirovanie_monitora_BenQ_XL2720T.html#9

Lightboost Measurements
http://www.overclockers.ru/images/lab/2013/06/13/1/03_tab3.png
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post #1132 of 2929
Two cards do fare better, unless you want stupidly low input lag characteristics in which case I for one am kinda prejudiced against anything that isn't a single card smile.gif
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post #1133 of 2929
Thread Starter 
Quote:
Originally Posted by MenacingTuba View Post

Lightboost Measurements
http://www.overclockers.ru/images/lab/2013/06/13/1/03_tab3.png
The setting that they used, messes the LightBoost contrast ratio. It does have benefits (less trailing artifacts), but the color penalty might not be worth it to some people -- try calibrating LightBoost (with a colorimeter) with the BENQ set to a Contrast of 50%. I've heard reports of 900:1 contrast ratio being exceeded this way.

(They calibrated LightBoost with a monitor Contrast setting of 37)
post #1134 of 2929
I have a very specific question I hope someone can answer.

On the FAQ page @ http://www.blurbusters.com it says:
Quote:
Q: What is the advantage of LightBoost 10%?

This produces the clearest possible LightBoost motion, for the best “CRT quality” motion. However, this image may be too dark if you prefer a brighter image.

On my BenQ XL2420T, I do not have have ability increments to increase the NVIDIA 3D LightBoost setting by numbers. However, I have settings from a empty bar to a full one or in other words from low to high. Do you all follow that? Anyways, is this the 10% that the question from blurbusters.com is referring to? If not, where is it?
post #1135 of 2929
No, there are no numbers, just approximation of percent by the shaded part of the bar graph. 10% is way over to the left end of the bar graph. Play with it to see how it increases by 10% increments when you slide it to the right, assuming that your bar graph is set to 10%.
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post #1136 of 2929
Thread Starter 
Quote:
Originally Posted by SightUp View Post

I have a very specific question I hope someone can answer.

On the FAQ page @ http://www.blurbusters.com it says:
On my BenQ XL2420T, I do not have have ability increments to increase the NVIDIA 3D LightBoost setting by numbers. However, I have settings from a empty bar to a full one or in other words from low to high. Do you all follow that? Anyways, is this the 10% that the question from blurbusters.com is referring to? If not, where is it?
First notch from empty bar -- adjust LightBoost to 0, then adjust one notch back upwards. That's what we all call LightBoost 10%.

Personally I usually use 50% (good compromise) as the 10% setting is usually to dark.
post #1137 of 2929
Quote:
Originally Posted by mdrejhon View Post

First notch from empty bar -- adjust LightBoost to 0, then adjust one notch back upwards. That's what we all call LightBoost 10%.

Personally I usually use 50% (good compromise) as the 10% setting is usually to dark.

On the site it states that 10% is going to give you the best performance, is that correct? I am willing to look at crap if it gives me the slightest advantage!

Changing the contrast of the monitor will have no effect on the performance, correct?
post #1138 of 2929
Thread Starter 
Quote:
Originally Posted by SightUp View Post

On the site it states that 10% is going to give you the best performance, is that correct? I am willing to look at crap if it gives me the slightest advantage!
The problem is that it's a brightness-vs-motion tradeoff.
Better motion, less brightness. You lose brightness; which can hurt your advantage, which might outweigh the better motion. That said, if it was too bright anyway, then it's definitely to your advantage to turn down the LightBoost setting.
Adjust LightBoost setting to personal preference. A highly recommended compromise setting is LightBoost 50%
Quote:
Originally Posted by SightUp View Post

Changing the contrast of the monitor will have no effect on the performance, correct?
No effect, except it can kind of behave like a "dark areas revealer" -- so you can see better in the dark areas.

The difference between LightBoost 10%, 50% and 100% is fairly subtle, compared to the difference between 60Hz and 120Hz:


Edited by mdrejhon - 6/13/13 at 7:23am
post #1139 of 2929
What do you recommend the contrast be set to?
post #1140 of 2929
Thread Starter 
Quote:
Originally Posted by SightUp View Post

What do you recommend the contrast be set to?
Use the Lagom Contrast pattern. For brightest image, adjust until the image is bright as possible but without blowing out the bright colors (making the colors look identical).
If you adjusted your saturation, make sure you lower your saturation to the center setting.

Sometimes it's needed to lower the contrast more significantly to reduce the LightBoost motion artifacts, since high contrast settings make the overdrive a little more visible during LightBoost.
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