![]() ![]() the area where the "red" and green squares are, as well as some other parts - hard to identify exactly where though, for some reason) It's VERY annoying! Why would our screens flicker like that? I'm viewing it on a 2011 MacBook Air, running OSX 10.7.5. It seems like parts of the screen flicker more than others. Open in Photoshop or similar app and view at 100% (this is a crop from the original image, which is why it fits inside just about any screen at 100%). ![]() Set Demosiacing algorithm to "None (shows sensor pattern)" What's even crazier is that it causes the menu to shift colors as well!Īnd even crazier than that - a screenshot captures it, so it's not an issue with the physical display, it's a software thing. (note: this is how you can test if your app shows actual pixels or enforces a 72dpi standard)ĭownload and try yourself in any app that respects monitor DPI. Whereas Photoshop says "your screen is resolution X, I'll show you the image at the actual resolution" - so this 1681 pixel wide image is roughly 2/3 the width of my 2650x1600 screen. the web or "dumb" apps where postage stamp size images won't make sense on high pixel density monitors - but image editing apps like Photoshop and Raw Therapee should be able to display actual pixels. I suspect that other apps respect a "72dpi" standard that says that 1681 pixel wide image (as this is) should be displayed as if it was 23.34 inches wide. This doesn't happen in other apps, including my browser. This is the kind of flicker that you can see out of the corner of your eye clearer than if you're staring straight at it, but it's definitely there - my guess is that it's related to the screen refresh rate. This is an image that I exported via RAW Therapee using "no demosaicing: show sensor pattern" from either a Canon 5d or Nikon D700 (forget which camera this specific export was from - it doesn't matter for the purposes of this thread).Īt an actual pixels crop from a larger image - because the close focusing distance on the lens wouldn't let me get closer.Īt 100% in Photoshop - which I assume to be "actual pixels" it causes my screen to "flicker" like it's rapidly toggling between two different states. Even "1:1" in Raw Therapee doesn't display this correctly/reveal this problem. Photoshop is the only place I can reproduce it with 100% certainty. This happens in a couple of apps, but not all. ![]()
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