Quote:
Originally Posted by boxcorner
Can't say I've noticed it myself, but I imagine it takes a finite length of time for eyes and brain to adjust to perceive whiteness (or greyness). Whilst it might be possible to measure some things objectively, I guess others will forever be subjective. I remember reading comments to the effect that some people feel the E Ink Pearl display appears whiter when surrounded by black (eg Sony), rather than grey (eg Kindle). So the contrast of a display with its surroundings may be important. Another point that might be relevant is that luminous intensity of some light sources increases some time after they are first switched on.
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Thanks for you thoughts on the topic. That last sentence is a very good point, I've definitely noticed that some fluorescent light globes, as they get older, take time to get to full luminance ... although in this case most of my reading is done beneath those little 50W halogen globes and I don't think they suffer the problem.
It could just (or mostly) be an eye adjustment thing I guess. I dislike the font limitations of the 650 but aren't quite game to try the various firmware replacements yet. I find small is too small but medium is too large (there seems no excuse for such pointless restrictions in the Sony firmware). One definite eye-adjustment phenomenon that I have I noticed is that if I have been reading on medium for a length of time and I look up an my main computer screen suddenly everything there seems to be printed much smaller than usual. I think I've got some weird sort of 3D-TV-depth-perception sort of thing going on here.
I'll make an appointment to get my eyes checked soon and hope that that will let me use the small font on the reader more comfortably.