Artificial chromatic aberration doesn't work as a visual effect
The corners of the screen, maybe also the edges, haven't felt particularly sharp to me in Prime. They haven't been obviously fuzzy. They've just… felt… off. Then it hit me. It's the same problem that I have with the glasses I wear everyday: chromatic aberration [https://en.wikipedia.org/wiki/Chromatic_aberration].
Everything in the central area of my field of vision looks fine when I'm wearing my glasses. However, any high-contrast edges towards the edges of my field of vision tend to take on a bit of color fringing and feel every so slightly fuzzier than I'd otherwise expect. For example, I can notice this color fringing now, with the white background of this webpage against the black bezel of my laptop's screen. Tilt my head one way, and an edge of the screen takes on a distinctly red hue. Tilt my head the other way, and the edge takes on a blue hue. It's actually quite annoying whenever I consciously notice the chromatic aberration, but my attention tends to be focused on the central area of my field of vision, so that normally doesn't happen.
Thanks to the new Lighting Dynamics setting, by dialing up the contrast of the map tiles, it's quite easy to illustrate that Prime is artificially introducing chromatic aberration at the edges of the screen. Just like with my glasses, it's not exactly an endearing quality of the display. Unlike with my glasses, I tend to actually look at the edges and corners of the screen, because sometimes, that's just where the interesting objects are (maybe I'm cramming multiple things into the field of view, maybe I'm stretching the limits of how far I can see). Worse, there's no actual motivation for this visual effect. Surely, the clandestine organization that built the scanner can afford higher quality optics, yes?
Anyway, some examples, which I'm fairly certain are real not just me looking at my screen funny…
Top down view, top left and top right corners of the screen (also, the unclaimed portal down and to the right of the compass arrow):
Top down view, lower right corner of the screen:
Looking straight ahead view, left and right edges of the screen (on the left, look at the road and paths; on the right, look at the unclaimed portal):