Quote:
Originally Posted by parkher
So it is still not possible to turn the light off completely? Without a hack?
Or those two additional layers on top cause a visible deterioration?
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No, light can't be turned completely off, but it can be turned so down that it isn't an issue unless you are reading in absolute darkness (where you wouldn't see anything anyway were it turned off).
A much bigger issus is that the additional layers make the text appear beneath the surface, like on a screen. This, irrespective of the light level or ambient lighting.
One very easy way to notice the difference, in my experience, is dust on the screen. On non-lighted Kindles, like the $69 Kindle "4B", if there is dust on the screen, it looks like that dust is on the page of a book - like on printed text basically. Very similar to how dust would look were it on your page of a book. E-ink at its purest is very "magical", it generates e-ink particles right on top of the screen, like it were actually printed there.
On PWs, dust looks quite different. You don't see the PW touch and light layers (other than their slight fuzzying/less blackening effect) normally, but if you have dust on the screen or a pin-hole on top on the page, you probably immediately notice a big difference to basic Kindles - the dust is floating above the text, clearly and significantly above the text.
And that is one moment (there are others), where PW looses that e-ink magic and you look like you are looking at a window, instead of a page of a book.