03-26-2019, 11:06 AM | #76 | |
Wizard
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Device: PW3, Fire HD8 Gen7, Moto G7, Sansa Clip v2, Ruizu X26
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That's going to give you quite the immersive experience! Our family room shape/size/walkways does not lend itself to us getting much closer to our screen (stairs leading down to the room in the middle, low overhead ceiling in one part, high vaulted ceiling in another).
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But you have convinced me - technically, I agree with your point. You would be a good debater. |
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03-26-2019, 07:27 PM | #77 |
Wizard
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Join Date: Nov 2012
Location: Te Riu-a-Māui
Device: Kobo Glo
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For anyone sceptical that you would be able to see differences between a 300 dpi and 600 dpi or higher screen, here is an experiment you can try using your current ereader:
Attached is a simple ePub book that has two pages. On the first page are two squares, the inner thick square is drawn in a two-pixel-wide stroke and the outer thin square drawn in a one-pixel-wide stroke. The second page has the same but with a thin inner square and thick outer square. I can read comfortably holding my ereader at 25cm from my eye, so I tried at increasing distances of 50cm, 1m, 2m, 4m, and 8m to see if I could still see the squares and tell which was the thick one and which the thin. The light conditions were overcast near midday. Up to and including 4m I could still easily see the squares and distinguish which one is thick and which thin. At 8m I could no longer see the thin square. My ereader has a 212dpi pearl screen, so at 4m I calculate the squares appear the same size to my eye as they would on a 16x212 = 3392dpi screen held at 25cm, and at 8m as they would on a 32x212 = 6784dpi screen. Edit: I should just add in conclusion: Since a one-pixel-wide line on a 1200dpi screen is the same width as a two-pixel-wide line on a 2400dpi screen, I think from what I found above that I would be able to see the difference in thickness of a one-pixel-wide line at normal reading distance as the screen density increases from 300dpi to 600dpi, 1200dpi, 2400dpi. Maybe 4800dpi. Last edited by GeoffR; 03-26-2019 at 08:11 PM. Reason: I should just add in conclusion: |
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03-27-2019, 04:52 AM | #78 | |
Scholar
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Location: Denmark
Device: Kobo Libra H2O + iPad Air 4
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iPhone 8 Plus: 401 PPI iPad Pro 3. generation: 264 PPI iPad Pro 1. generation: 264 PPI So yeah, contrast is probably preferable, if we can only get one parameter improved on eBooks. |
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03-30-2019, 01:22 AM | #79 |
Junior Member
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Device: Kobo Aura One
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A letter-size paper is 13.9" diagonally. But I guess what you said (12") should be good enough. Unfortunately the largest ones at 300 DPI are 7.8". The thing is that the vast majority of consumers want something portable for reading simple text. So I think there will be a long time until what I'm looking for comes out.
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03-30-2019, 03:06 AM | #80 |
Grand Sorcerer
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Location: Lockport, IL
Device: Kindle PW4, Kindle Paperwhite Signature Edition
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Given that the waterproofing and bluetooth isn't enough to make me get a PW4, I don't think 600ppi would do the trick either
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03-30-2019, 07:10 AM | #81 | |
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Location: France
Device: Kobo Aura H2o; reMarkable; Onyx Max 2 Pro
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I find it quite comfortable to read my scientific PDFs, but then they tend not to be double column and not too small font; it might be different for you. It's also able to crop margins, and will do so consistently if your PDF doesn't have different margins on left and right pages. This makes the useful display size closer to the original intended font size. (The software on the Remarkable has lots of problems IMHO, but when reading short PDF files they are not too bad. Longer files [books] are less comfortable; when you jump to a distant page on a 700-pages long file, it takes some time to display. Still, I'm very happy with it) |
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