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Message: <blockquote data-quote="Tann" data-source="post: 277666" data-attributes="member: 2327">This is a general setting, and not a "night mode" setting.The <a href="https://www.cambridgeincolour.com/tutorials/gamma-correction.htm" target="_blank">Gamma Correction</a> is a non-linear setting (unlike luminosity or contrast), to set how the luminance signal is rendered on the screen (for the human eye, it means more or less luminosity).On the video, we can see that tweaking the gamma correction in PFX options, makes the image look "darker", but the lighting doesn't change in-game (bulbs brightness is the same, same for the light reflections).The gamma setting is often available in video games (and often wrongly named "Brightness"), because some TVs don't propose this setting, or simply that users are not aware it is possible to have deeper blacks/colors on a LCD or LED screen, by increasing a bit the gamma correction (1 or 2 step, not more), but at the cost of losing a little amount of details. <a href="https://forums.elderscrollsonline.com/en/discussion/278203/psa-optimal-gamma-setting-for-mac-windows" target="_blank">Example (source)</a>:<table style='width: 100%'><tr><td><img src="http://i.imgur.com/m73sAHq.png" alt="" class="fr-fic fr-dii fr-draggable " style="" /></td><td> The “brightness” adjustment provided by the developers will leave your game with washed out shadows and colors in many cases. This is actually not a brightness setting, it‘s a gamma setting, and should be set far lower than the developer recommendation for most users in most viewing environments. Many players have opted to use something like SweetFX to fix this problem, but the best first fix is to simply adjust your gamma lower. If that does not fix enough of the washed out or bleached look, then use SweetFX. Here is a handy guide on the optimum setting. If you find this leaves dark areas a bit too dark to see things that you need to see—like when in a dank, dark dungeon—nudge it up only barely until you can make out shapes. If you like it more creepy like me, leave it dark.</td></tr></table>In the same idea, it's like set a console to full-range RGB, when the TV does not support full-range RGB (limited range only). The blacks will be crushed, and whites possibly burnt. Tweaking precisely the gamma allows to prevent that (but not totally).</blockquote>

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