I actually disable even the ambient light sensor on my 2017 5K, after calibration. The screen has to constantly set at sub 50% brightness to maintain greyscale uniformity. I am definitely not going to let a sensor arbitrarily determines my white point on the fly (which is what TrueTone is).
Of course for non-color-critical scenarios, TrueTone is a more intuitive / trouble free feature. But much more meaningful on MacBooks and iPads though, which goes through different light sources all day.
I agree with turning of the ambient light sensor. But the thing is, sub 50% backlight is not exactly feasible if you sit next to a window (which I plan on doing) with its glossy display. Also, aesthetically, a brighter display usually looks more impressive: the colors ‘pop’ or whatever more. Although in terms of exposure adjustments, having a display that’s significantly brighter than most target devices can lead to incorrectly judging the shadow’s luminance, making shadows ‘visually’ clipped to some, even if the shadows aren’t actually clipped.
Also, when dealing with a standard such as HDR, which is entirely based around having very bright luminance values of 1000 nits, of course having a super bright display is good. Although the iMac doesnt reach such brightness levels, but if you plan on sort of grading HDR on an iMac, you pretty much have to get as bright a display as possible. Now im really just talking about nonsense lol but I definitely plan on allowing my iMac to go above 50% backlight depending on the relative room brightness
[doublepost=1531420005][/doublepost]Oh, and about the GPU on the next iMac: I believe they will do the same thing they’ve done here with the Macbook Pro. Just use gddr5 memory and throw an x at the end of the name. So it will be 580X with 8GB of gddr5 ram probably
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