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Old 04-26-2016, 03:36 PM   #28
Barbara1955
Non-Techy
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Posts: 4,455
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Join Date: Feb 2011
Location: WV---USA
Device: Samsung Cell Phone & Amazon Fires & Kobo eReaders
Quote:
Originally Posted by tomsem View Post
Just an observation: surface area is much larger on a 10" screen than a 6" or 4.7" screen (assuming these are all more or less the same distance from eye). It is going to produce a lot more light, regardless of pixel density. As such it requires more mitigation (keep screen further away, use Night theme, turn brightness down more etc.).

Unfortunately Blue Shade is unusable, as it eliminates almost all contrast in its quest to eliminate blueness. By contrast, iOS's Night Shift doesn't completely eliminate blue even at 'maximum' color shift, but it is a very helpful mitigation otherwise.

Night theme alone would handle most of blue elimination for reading if the screens were OLED (you get real black, i.e., no light emission or energy consumption from black pixels). But until now, those haven't seen broad application, I assume because of other trade-offs.
Larger area for me is just less page turning. Just to get thru 1 page on the PW3 is 3 page turns. On the Fire 10 1 page IS 1 page My reading is in Bed 90% of the time. Book is about 18 -24 inches from my face.
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