What is the purpose of Darkroom mode?



  • I have tried it out, but am not sure of its purpose.



  • It's redder than 1200K (it's roughly 800K), and it's also a little bit fun because it simulates a photographer's dark room. It can also provide a lower brightness level due to the color inversion.

    You should probably know that f.lux is owned and operated by just two people: Michael and Lorna, a husband and wife team.



  • How "red" is it?

    As a yachtsman, when we sail at night we used red lights because they don't ruin your night vision (the difference is amazing) and I have been looking for a programme that will allow me to filter out non-red light from my iPad which I use for cockpit navigation.

    I suspect the answer is just to try it and see but was wondering how much blue/green light was filtered out?

    (And, yes, I usually mess up and turn my head torch onto white before I hit red, thus ruining my night vision each time!)



  • @Enver-Hoxha said:

    How "red" is it?

    As a yachtsman, when we sail at night we used red lights because they don't ruin your night vision (the difference is amazing) and I have been looking for a programme that will allow me to filter out non-red light from my iPad which I use for cockpit navigation.

    I suspect the answer is just to try it and see but was wondering how much blue/green light was filtered out?

    (And, yes, I usually mess up and turn my head torch onto white before I hit red, thus ruining my night vision each time!)

    It's extremely red, and yes, just try it. It's a very small program. The amount of time it took you to ask is longer than the amount of time it would take to try f.lux. Oh, and the effort it took to ask is more effort than is involved in trying f.lux.



  • Dear f.lux people,

    First, thanks a lot for the darkroom mode. I have tried all colour temperatures for night work, and ended up using darkroom only. That is exactly what my screen should look like at night. One or two things can be improved:

    1. a hotkey for instant switch to darkroom (without a smooth transition);
    2. anything blue becomes invisible (naturally), so if it could be remapped into a shade of red or something, to give blue things some contrast, it would be great.

    Best regards from the dark side. :)


  • f.lux team

    @Enver-Hoxha It's the most similar in spectrum to the red primary on f.luxometer:
    https://fluxometer.com/rainbow/#!id=iPad Pro/red-iPad Pro

    So in other words, it filters out the most blue that's possible to remove on the device, and we boost that by inverting colors so if you're reading black text on white background (like this forum) you're seeing whites as black instead of red.

    This is something that's just going to get better with time, I think. I saw the new LG OLED TVs at CES and they have amazing, pure blacks.



  • @lorna Those TV's better not have flicker . My phone has flicker (with lower than max brightness), so these TV's that people will stare at for a while DAMN sure better not flicker. At all. EVER. Maybe they should hire us to test them.


  • f.lux team

    they surely did not. Beautiful engineering.



  • @lorna I'm all for that future.

    HHEEELLLL YEEEAAAAAH! So excited. It's [like] Plasma, but not converting from Plasma (Ultraviolet)! So cool!


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