Thread: Libra 2 Discontinued
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Old 06-05-2024, 06:16 PM   #87
Quoth
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Location: Ireland
Device: All 4 Kinds: epub eink, Kindle, android eink, NxtPaper
People shouldn't make personal remarks, but it's a physical fact that if you take a 300 dpi mono eink screen and put a 2 x 2 pattern of printed coloured dots such that the pixel isn't entirely covered:
  1. You can't get better than pastel colours
  2. The screen is darker and then also less contrast at same brightness from turning up front light, which is above the dots.
  3. The colour resolution is only 150 dpi.
  4. The gamut (range) of colours is very poor. The quoted 4096 is not the number of colours, but all shades. Many will be very similar shades of murk.
  5. You have lost true 300 dpi for mono as the dots are always there. Less sharp than a mono 300 dpi screen.
  6. If it's driven at 300 dpi as if it's a mono screen, when content is mono, certain patterns and fonts will cause distinct coloured patches or lines. Artefacts are more severe than LCD sub pixel addressing.
It's not at all the only way to have colour that doesn't tire the eyes.
It's simply inferior to a mono Libra for ordinary novels, which is the bulk of ebook sales.
It's too small for comics or picture books.
The colour too poor for photos or quality picture books.

These are not opinions, but facts. Already the majority of ebooks are read on phones and tablets. Having ONLY color eink would make eink ereaders a tiny niche.

No-one can object to choice, that's having Kaleido as well as mono eink and people can choose. The objection isn't about Kaleido, but about not having the mono. Kaleido can't replace it without a massive loss of quality!
!

Last edited by Quoth; 06-05-2024 at 06:25 PM.
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