Robert, Windows 7 If i could get my way but 8.1 sadly forced to due to work.Īnd Windows 10 it self is not bad its the EULA and what Microsoft does that I hate like I wouldn't touch Snapchat, Line, Whatsapp, skype, Facebook, Facebook messenger and so on, on a phone. Running the PC at 4000k has worked for me because if I forget to do so (old age, amnesia, etc) then a midnight + computer session at an unchanged daylight 6500k really does leave me sleepless in Seattle (and everywhere else, too.)īut yeah, I do think this is down to individual acuity (and age) and what's useful for one person ain't necessarily going to be of benefit to someone else - a case of YEMV (eyesight, not mileage.)īut yeah, I do think this is down to individual acuity (and age) and what's useful for one person ain't necessarily going to be of benefit to someone else - a case of YEMV (eyesight, not mileage.) Save | Cancel (I don't use its standard 'night time' 2500k though for the reasons you rightly cite: it can actually provoke, not prevent, eye-strain.)

And if I'm having a restless night and decide to go make a decaff and use the pooter again for non-image / non-video work in the early morning hours, then f.lux's 4000k has been fine. I certainly don't vary the 6500k setting during the day, but if I've stuff to do of an evening, will reduce to 5000k. Way back when, I thought it was, well, a gimmick, but as I'm something of an insomniac figured I'd give this filtering stuff a try.

Hi TK: I guess the 'blue light experience' varies with individuals.

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